diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/AstTreeStringPrinter.java b/src/main/java/com/puppycrawl/tools/checkstyle/AstTreeStringPrinter.java
index de61f78c05f5..d1df7fe478ba 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/AstTreeStringPrinter.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/AstTreeStringPrinter.java
@@ -26,7 +26,6 @@
 
 import antlr.RecognitionException;
 import antlr.TokenStreamException;
-
 import com.puppycrawl.tools.checkstyle.api.CheckstyleException;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.DetailNode;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/PackageNamesLoader.java b/src/main/java/com/puppycrawl/tools/checkstyle/PackageNamesLoader.java
index 397c0718943f..0ebe331fed02 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/PackageNamesLoader.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/PackageNamesLoader.java
@@ -29,7 +29,6 @@
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.Set;
-
 import javax.xml.parsers.ParserConfigurationException;
 
 import org.xml.sax.Attributes;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java b/src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java
index 9fcd55053032..af74765f7f27 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java
@@ -38,7 +38,6 @@
 import java.util.HashSet;
 import java.util.Properties;
 import java.util.Set;
-
 import javax.xml.bind.DatatypeConverter;
 
 import com.google.common.io.Closeables;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/api/AbstractLoader.java b/src/main/java/com/puppycrawl/tools/checkstyle/api/AbstractLoader.java
index c5589e4e9fad..e4c5ff63a549 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/api/AbstractLoader.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/api/AbstractLoader.java
@@ -23,7 +23,6 @@
 import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Map;
-
 import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.parsers.SAXParserFactory;
 
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/DescendantTokenCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/DescendantTokenCheck.java
index fafd84f7bb38..bc9a87cab659 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/DescendantTokenCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/DescendantTokenCheck.java
@@ -23,7 +23,6 @@
 import java.util.Set;
 
 import antlr.collections.AST;
-
 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.utils.CommonUtils;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/AbstractSuperCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/AbstractSuperCheck.java
index 85859f778db5..f9801747698c 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/AbstractSuperCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/AbstractSuperCheck.java
@@ -23,7 +23,6 @@
 import java.util.LinkedList;
 
 import antlr.collections.AST;
-
 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java
index f29c7f4794eb..03a1671e942a 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java
@@ -25,7 +25,6 @@
 import java.util.stream.Collectors;
 
 import antlr.collections.AST;
-
 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.FullIdent;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheck.java
index 66dc13d32d50..13e5608ecf9e 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheck.java
@@ -22,7 +22,6 @@
 import java.util.Arrays;
 
 import antlr.collections.AST;
-
 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/SimplifyBooleanReturnCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/SimplifyBooleanReturnCheck.java
index 9e7ae58088ca..1405369de467 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/SimplifyBooleanReturnCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/SimplifyBooleanReturnCheck.java
@@ -20,7 +20,6 @@
 package com.puppycrawl.tools.checkstyle.checks.coding;
 
 import antlr.collections.AST;
-
 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/StringLiteralEqualityCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/StringLiteralEqualityCheck.java
index bfd453cb79da..2d58acc5140d 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/StringLiteralEqualityCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/StringLiteralEqualityCheck.java
@@ -20,7 +20,6 @@
 package com.puppycrawl.tools.checkstyle.checks.coding;
 
 import antlr.collections.AST;
-
 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/VariableDeclarationUsageDistanceCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/VariableDeclarationUsageDistanceCheck.java
index e5bdb34f7a80..d31e25e998bd 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/VariableDeclarationUsageDistanceCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/VariableDeclarationUsageDistanceCheck.java
@@ -27,7 +27,6 @@
 import java.util.regex.Pattern;
 
 import antlr.collections.ASTEnumeration;
-
 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.FullIdent;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/ImportControlLoader.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/ImportControlLoader.java
index c3fea74f2a2a..6cbf3115b779 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/ImportControlLoader.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/ImportControlLoader.java
@@ -27,7 +27,6 @@
 import java.util.Deque;
 import java.util.HashMap;
 import java.util.Map;
-
 import javax.xml.parsers.ParserConfigurationException;
 
 import org.xml.sax.Attributes;
@@ -50,6 +49,10 @@ final class ImportControlLoader extends AbstractLoader {
     private static final String DTD_PUBLIC_ID_1_1 =
         "-//Puppy Crawl//DTD Import Control 1.1//EN";
 
+    /** The public ID for the configuration dtd. */
+    private static final String DTD_PUBLIC_ID_1_2 =
+        "-//Puppy Crawl//DTD Import Control 1.2//EN";
+
     /** The resource for the configuration dtd. */
     private static final String DTD_RESOURCE_NAME_1_0 =
         "com/puppycrawl/tools/checkstyle/checks/imports/import_control_1_0.dtd";
@@ -58,6 +61,10 @@ final class ImportControlLoader extends AbstractLoader {
     private static final String DTD_RESOURCE_NAME_1_1 =
         "com/puppycrawl/tools/checkstyle/checks/imports/import_control_1_1.dtd";
 
+    /** The resource for the configuration dtd. */
+    private static final String DTD_RESOURCE_NAME_1_2 =
+        "com/puppycrawl/tools/checkstyle/checks/imports/import_control_1_2.dtd";
+
     /** The map to lookup the resource name by the id. */
     private static final Map<String, String> DTD_RESOURCE_BY_ID = new HashMap<>();
 
@@ -76,6 +83,7 @@ final class ImportControlLoader extends AbstractLoader {
     static {
         DTD_RESOURCE_BY_ID.put(DTD_PUBLIC_ID_1_0, DTD_RESOURCE_NAME_1_0);
         DTD_RESOURCE_BY_ID.put(DTD_PUBLIC_ID_1_1, DTD_RESOURCE_NAME_1_1);
+        DTD_RESOURCE_BY_ID.put(DTD_PUBLIC_ID_1_2, DTD_RESOURCE_NAME_1_2);
     }
 
     /**
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/ImportOrderCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/ImportOrderCheck.java
index 973dec9a9af0..ff8074f90c48 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/ImportOrderCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/ImportOrderCheck.java
@@ -195,6 +195,12 @@ public class ImportOrderCheck
      */
     public static final String MSG_ORDERING = "import.ordering";
 
+    /**
+     * A key is pointing to the warning message text in "messages.properties"
+     * file.
+     */
+    public static final String MSG_REDUNDANT_SEPARATION = "import.groups.separated.internally";
+
     /** The special wildcard that catches all remaining groups. */
     private static final String WILDCARD_GROUP_NAME = "*";
 
@@ -443,11 +449,26 @@ else if (groupIdx > lastGroup) {
         else {
             log(line, MSG_ORDERING, name);
         }
-
+        checkRedundantSeparation(groupIdx, isStatic, line, name);
         lastGroup = groupIdx;
         lastImport = name;
     }
 
+    /**
+     * Shares processing...
+     *
+     * @param groupIdx group number.
+     * @param isStatic whether the token is static or not.
+     * @param line the line of the current import.
+     * @param name the name of the current import.
+     */
+    private void checkRedundantSeparation(int groupIdx, boolean isStatic, int line, String name) {
+        if (!beforeFirstImport && separated && groupIdx == lastGroup
+                && isStatic == lastImportStatic && line - lastImportLine > 1) {
+            log(line, MSG_REDUNDANT_SEPARATION, name);
+        }
+    }
+
     /**
      * Checks whether static imports grouped by <b>top</b> or <b>bottom</b> option
      * are sorted alphabetically or not.
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionsLoader.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionsLoader.java
index eeea1f516e19..3de8b56c3976 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionsLoader.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionsLoader.java
@@ -26,7 +26,6 @@
 import java.util.Locale;
 import java.util.Map;
 import java.util.regex.PatternSyntaxException;
-
 import javax.xml.parsers.ParserConfigurationException;
 
 import org.xml.sax.Attributes;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/gui/BaseCellEditor.java b/src/main/java/com/puppycrawl/tools/checkstyle/gui/BaseCellEditor.java
index 0b62170aa3b8..d83368cf4664 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/gui/BaseCellEditor.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/gui/BaseCellEditor.java
@@ -20,7 +20,6 @@
 package com.puppycrawl.tools.checkstyle.gui;
 
 import java.util.EventObject;
-
 import javax.swing.CellEditor;
 import javax.swing.event.CellEditorListener;
 import javax.swing.event.ChangeEvent;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/gui/CodeSelector.java b/src/main/java/com/puppycrawl/tools/checkstyle/gui/CodeSelector.java
index f336da633a76..219b9b9171a9 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/gui/CodeSelector.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/gui/CodeSelector.java
@@ -21,7 +21,6 @@
 
 import java.awt.Color;
 import java.util.List;
-
 import javax.swing.JTextArea;
 
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/gui/JTreeTable.java b/src/main/java/com/puppycrawl/tools/checkstyle/gui/JTreeTable.java
index 0e81fed0b1ef..8761b252f436 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/gui/JTreeTable.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/gui/JTreeTable.java
@@ -29,7 +29,6 @@
 import java.util.Collections;
 import java.util.EventObject;
 import java.util.List;
-
 import javax.swing.AbstractAction;
 import javax.swing.Action;
 import javax.swing.JTable;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/gui/Main.java b/src/main/java/com/puppycrawl/tools/checkstyle/gui/Main.java
index 5d7f2720fba4..591f9553735a 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/gui/Main.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/gui/Main.java
@@ -20,7 +20,6 @@
 package com.puppycrawl.tools.checkstyle.gui;
 
 import java.io.File;
-
 import javax.swing.SwingUtilities;
 import javax.swing.WindowConstants;
 
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/gui/MainFrame.java b/src/main/java/com/puppycrawl/tools/checkstyle/gui/MainFrame.java
index a6a1f4a45739..069250ba8249 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/gui/MainFrame.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/gui/MainFrame.java
@@ -24,7 +24,6 @@
 import java.awt.event.ActionEvent;
 import java.awt.event.KeyEvent;
 import java.io.File;
-
 import javax.swing.AbstractAction;
 import javax.swing.BorderFactory;
 import javax.swing.JButton;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/gui/ParseTreeTablePModel.java b/src/main/java/com/puppycrawl/tools/checkstyle/gui/ParseTreeTablePModel.java
index a49c62557ec0..eb5dd948a311 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/gui/ParseTreeTablePModel.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/gui/ParseTreeTablePModel.java
@@ -24,7 +24,6 @@
 
 import antlr.ASTFactory;
 import antlr.collections.AST;
-
 import com.puppycrawl.tools.checkstyle.JavadocDetailNodeParser;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.DetailNode;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/gui/TreeTableCellRenderer.java b/src/main/java/com/puppycrawl/tools/checkstyle/gui/TreeTableCellRenderer.java
index 9eda08ef705e..fd1b9b859568 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/gui/TreeTableCellRenderer.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/gui/TreeTableCellRenderer.java
@@ -21,7 +21,6 @@
 
 import java.awt.Component;
 import java.awt.Graphics;
-
 import javax.swing.JTable;
 import javax.swing.JTree;
 import javax.swing.UIManager;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/utils/ScopeUtils.java b/src/main/java/com/puppycrawl/tools/checkstyle/utils/ScopeUtils.java
index bc45ec5cdae2..c41badd616e6 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/utils/ScopeUtils.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/utils/ScopeUtils.java
@@ -20,7 +20,6 @@
 package com.puppycrawl.tools.checkstyle.utils;
 
 import antlr.collections.AST;
-
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 import com.puppycrawl.tools.checkstyle.api.Scope;
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages.properties
index b3cef114761b..f78f303f44ed 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages.properties
@@ -10,6 +10,7 @@ import.separation=''{0}'' should be separated from previous imports.
 import.control.missing.file=Missing an import control file.
 import.control.disallowed=Disallowed import - {0}.
 import.control.unknown.pkg=Import control file does not handle this package.
+import.groups.separated.internally=Redundant separation in import group before ''{0}''
 custom.import.order=Import statement for ''{2}'' is in the wrong order. Should be in the ''{0}'' group, expecting group ''{1}'' on this line.
 custom.import.order.line.separator=''{0}'' should be separated from previous import group.
 custom.import.order.lex=Wrong lexicographical order for ''{0}'' import. Should be before ''{1}''.
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_de.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_de.properties
index 07c021775bbe..4a8b4dfca782 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_de.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_de.properties
@@ -16,3 +16,4 @@ custom.import.order.lex=Falsche lexikographische Reihenfolge des Imports von ''{
 custom.import.order.nonGroup.import=Importe ohne Gruppe sollten an Ende der Import-Liste stehen: ''{0}''.
 custom.import.order.nonGroup.expected=Import-Anweisung für ''{1}'' ist an der falschen Stelle. Sollte in der Import-Gruppe ''{0}'' Gruppe stehen. \
     Erwartet wird in dieser Zeile ein Import, der keiner Import-Gruppe entspricht.
+import.groups.separated.internally=Redundante Trennung in der Importgruppe vor ''{0}''
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_es.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_es.properties
index 3dcdfa5faf75..b59154ccefd5 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_es.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_es.properties
@@ -15,3 +15,4 @@ custom.import.order.line.separator = ''{0}'' debe ser separado del grupo de impo
 custom.import.order.lex = Orden lexicográfico incorrecto de ''{0}'' importación. En caso de ser antes de ''{1}''.
 custom.import.order.nonGroup.import = Las importaciones sin grupos deben colocarse al final de la lista de importación: ''{0}''.
 custom.import.order.nonGroup.expected = Declaración de importación de ''{1}'' es en el orden equivocado. En caso de estar en el ''{0}'' del grupo, esperando que las importaciones no asignadas en esta línea.
+import.groups.separated.internally=Separación redundante en el grupo de importación antes ''{0}''
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_fi.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_fi.properties
index b427b51715cc..f493393452a9 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_fi.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_fi.properties
@@ -15,3 +15,4 @@ custom.import.order.line.separator = ''{0}'' olisi erotettava edellisestä tuont
 custom.import.order.lex = Väärä leksikografisessa jotta ''{0}'' tuonnilla. Pitäisi olla ennen ''{1}''.
 custom.import.order.nonGroup.import = Tuonti ilman ryhmät olisi sijoitettava loppuun tuonti lista: ''{0}''.
 custom.import.order.nonGroup.expected = Tuo lausuman ''{1}'' on väärässä järjestyksessä. Pitäisi olla ''{0}'' ryhmä, odottaa ei osoitettu tuontia tätä linjaa.
+import.groups.separated.internally=Turhat erottaminen tuonti ryhmässä ennen ''{0}''
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_fr.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_fr.properties
index 747a59b86123..ffa444f13b7d 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_fr.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_fr.properties
@@ -15,3 +15,4 @@ custom.import.order.line.separator=''{0}'' doit être séparé du groupe d'impor
 custom.import.order.lex=Mauvais ordre lexicographique pour l''import ''{0}''. Il devrait être avant ''{1}''.
 custom.import.order.nonGroup.import=Les imports sans groupes doivent être placés à la fin de la liste : ''{0}''.
 custom.import.order.nonGroup.expected=L''import pour ''{1}'' est dans le mauvais ordre. Il devrait être dans le groupe ''{0}''.
+import.groups.separated.internally=Séparation redondante dans le groupe d'importation avant ''{0}''
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_ja.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_ja.properties
index dd852f612776..c45cb81036c2 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_ja.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_ja.properties
@@ -15,3 +15,4 @@ custom.import.order.line.separator = ''{0}'' 前のインポート・グルー
 custom.import.order.lex = のための間違った辞書式順序 ''{0}'' インポート。の前にすべきである ''{1}'' 。
 custom.import.order.nonGroup.import = グループのない輸入はインポートリストの末尾に配置する必要があります： ''{0}''。
 custom.import.order.nonGroup.expected = のインポート文 ''{1}'' は、間違った順序です。 にする必要があります ''{0}'' この行に割り当てられていない輸入を期待して、グループ。
+import.groups.separated.internally=前のインポートグループの冗長分離 ''{0}''
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_pt.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_pt.properties
index 3a56fcb8f2de..d67e3b569334 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_pt.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_pt.properties
@@ -15,3 +15,4 @@ custom.import.order.line.separator = ''{0}'' deve ser separado do grupo importa
 custom.import.order.lex = Errado ordem lexicográfica para ''{0}'' importação. Deve ser antes ''{1}''.
 custom.import.order.nonGroup.import = Importações sem grupos devem ser colocados no final da lista de importação: ''{0}''.
 custom.import.order.nonGroup.expected = Declaração de importação para ''{1}'' está na ordem errada. Deve estar no ''{0}'' grupo, esperando que as importações não atribuídos nesta linha.
+import.groups.separated.internally=Separação redundante no grupo de importação antes ''{0}''
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_tr.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_tr.properties
index e84317e0cf07..5c30b10e9463 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_tr.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_tr.properties
@@ -18,3 +18,4 @@ custom.import.order.line.separator = {0} önceki ithalat grubundan ayrılmalıd
 custom.import.order.lex = Için yanlış lexicographical sipariş {0} ithal. Önce olmalı ''{1}''.
 custom.import.order.nonGroup.import = Gruplar olmadan İthalat İthalat listenin en sonunda yer almalıdır: {0}
 custom.import.order.nonGroup.expected = İthalat deyimi ''{1}'' yanlış sırayla yer almaktadır. Olmalıdır ''{0}'' bu hat üzerinde değil atanmış ithalatı bekliyor grubuna.
+import.groups.separated.internally=önce ithalat grubunda gereksiz ayırma ''{0}''
diff --git a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_zh.properties b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_zh.properties
index 0aba6e7bf364..4d29b9f95c1d 100644
--- a/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_zh.properties
+++ b/src/main/resources/com/puppycrawl/tools/checkstyle/checks/imports/messages_zh.properties
@@ -15,3 +15,4 @@ custom.import.order.line.separator=''{0}'' 应与之前的导入组分开。
 custom.import.order.lex=导入语句''{0}'' 字典顺序错误。应在''{1}''之前。
 custom.import.order.nonGroup.import=未分组导入应位于导入列表的最后： ''{0}''。
 custom.import.order.nonGroup.expected=导入语句''{1}''位置错误。应位于 ''{0}'' 组，此行不应导入。
+import.groups.separated.internally=\ 进口组以前的冗余分离 ''{0}''。
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/UncommentedMainCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/UncommentedMainCheckTest.java
index 385b0d1dd309..59e1237ef617 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/UncommentedMainCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/UncommentedMainCheckTest.java
@@ -29,7 +29,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/design/MutableExceptionCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/design/MutableExceptionCheckTest.java
index 15a166ee40cb..cb1a551435d5 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/design/MutableExceptionCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/design/MutableExceptionCheckTest.java
@@ -29,7 +29,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/design/ThrowsCountCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/design/ThrowsCountCheckTest.java
index 08265e40cf0b..0d3a9e86c451 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/design/ThrowsCountCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/design/ThrowsCountCheckTest.java
@@ -30,7 +30,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/BooleanExpressionComplexityCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/BooleanExpressionComplexityCheckTest.java
index 2cd5ad65f37d..e1b8abfb2b4e 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/BooleanExpressionComplexityCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/BooleanExpressionComplexityCheckTest.java
@@ -27,7 +27,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassDataAbstractionCouplingCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassDataAbstractionCouplingCheckTest.java
index 7b5871d3b934..878238d392d7 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassDataAbstractionCouplingCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/ClassDataAbstractionCouplingCheckTest.java
@@ -27,7 +27,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/NPathComplexityCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/NPathComplexityCheckTest.java
index eba7895e54c0..17e4e3a04f6a 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/NPathComplexityCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/metrics/NPathComplexityCheckTest.java
@@ -28,7 +28,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/sizes/ExecutableStatementCountCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/sizes/ExecutableStatementCountCheckTest.java
index 1371e6cd4dec..140a2a6c735a 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/sizes/ExecutableStatementCountCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/sizes/ExecutableStatementCountCheckTest.java
@@ -27,7 +27,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/GenericWhitespaceCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/GenericWhitespaceCheckTest.java
index 22e3cdcf2be4..59520b0f9dd6 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/GenericWhitespaceCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/GenericWhitespaceCheckTest.java
@@ -34,7 +34,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/NoWhitespaceAfterCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/NoWhitespaceAfterCheckTest.java
index 27873bdedd0c..580447789ed3 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/NoWhitespaceAfterCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/NoWhitespaceAfterCheckTest.java
@@ -30,7 +30,6 @@
 import org.junit.Test;
 
 import antlr.CommonHiddenStreamToken;
-
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/doclets/TokenTypesDocletTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/doclets/TokenTypesDocletTest.java
index ec34de070a13..edaa5f981ba6 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/doclets/TokenTypesDocletTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/doclets/TokenTypesDocletTest.java
@@ -28,7 +28,6 @@
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
-
 import javax.tools.JavaFileObject;
 
 import org.junit.Assert;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressWithNearbyCommentFilterTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressWithNearbyCommentFilterTest.java
index 1ee0d78bb47c..3ffb9118e5d3 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressWithNearbyCommentFilterTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressWithNearbyCommentFilterTest.java
@@ -47,7 +47,6 @@
 import com.puppycrawl.tools.checkstyle.checks.naming.ConstantNameCheck;
 import com.puppycrawl.tools.checkstyle.checks.naming.MemberNameCheck;
 import com.puppycrawl.tools.checkstyle.utils.CommonUtils;
-
 import nl.jqno.equalsverifier.EqualsVerifier;
 
 public class SuppressWithNearbyCommentFilterTest
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionCommentFilterTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionCommentFilterTest.java
index e8ee8b383c54..4d89afe5f040 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionCommentFilterTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionCommentFilterTest.java
@@ -47,7 +47,6 @@
 import com.puppycrawl.tools.checkstyle.checks.naming.ConstantNameCheck;
 import com.puppycrawl.tools.checkstyle.checks.naming.MemberNameCheck;
 import com.puppycrawl.tools.checkstyle.utils.CommonUtils;
-
 import nl.jqno.equalsverifier.EqualsVerifier;
 
 public class SuppressionCommentFilterTest
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionFilterTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionFilterTest.java
index cc802a9a84d6..07b3abc9a52e 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionFilterTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionFilterTest.java
@@ -35,10 +35,8 @@
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runner.RunWith;
-
 import org.mockito.BDDMockito;
 import org.mockito.Mockito;
-
 import org.powermock.api.mockito.PowerMockito;
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
@@ -51,7 +49,6 @@
 import com.puppycrawl.tools.checkstyle.api.AuditEvent;
 import com.puppycrawl.tools.checkstyle.api.CheckstyleException;
 import com.puppycrawl.tools.checkstyle.utils.CommonUtils;
-
 import nl.jqno.equalsverifier.EqualsVerifier;
 import nl.jqno.equalsverifier.Warning;
 
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/grammars/AstRegressionTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/grammars/AstRegressionTest.java
index 37f13af3ea68..1068e7e124e5 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/grammars/AstRegressionTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/grammars/AstRegressionTest.java
@@ -37,7 +37,6 @@
 import antlr.ParserSharedInputState;
 import antlr.SemanticException;
 import antlr.TokenBuffer;
-
 import com.puppycrawl.tools.checkstyle.AstTreeStringPrinter;
 import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
 import com.puppycrawl.tools.checkstyle.api.FileText;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/internal/CheckUtil.java b/src/test/java/com/puppycrawl/tools/checkstyle/internal/CheckUtil.java
index d680c3646316..2a509875ebe3 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/internal/CheckUtil.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/internal/CheckUtil.java
@@ -29,7 +29,6 @@
 import java.util.Locale;
 import java.util.Properties;
 import java.util.Set;
-
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/internal/CommitValidationTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/internal/CommitValidationTest.java
index 875531cf1768..466416d29145 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/internal/CommitValidationTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/internal/CommitValidationTest.java
@@ -42,7 +42,6 @@
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
-
 import org.junit.BeforeClass;
 import org.junit.Test;
 
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/internal/XDocUtil.java b/src/test/java/com/puppycrawl/tools/checkstyle/internal/XDocUtil.java
index 5acd40ada6a9..854c4f8530ab 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/internal/XDocUtil.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/internal/XDocUtil.java
@@ -26,7 +26,6 @@
 import java.nio.file.Paths;
 import java.util.HashSet;
 import java.util.Set;
-
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/internal/XDocsPagesTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/internal/XDocsPagesTest.java
index 86e06a5fbe3d..b2c32a0f0af7 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/internal/XDocsPagesTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/internal/XDocsPagesTest.java
@@ -41,7 +41,6 @@
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.regex.Pattern;
-
 import javax.xml.parsers.ParserConfigurationException;
 
 import org.apache.commons.beanutils.PropertyUtils;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/internal/XmlUtil.java b/src/test/java/com/puppycrawl/tools/checkstyle/internal/XmlUtil.java
index 4f47a4fb2e9f..c6368697dca8 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/internal/XmlUtil.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/internal/XmlUtil.java
@@ -23,7 +23,6 @@
 import java.io.StringReader;
 import java.util.LinkedHashSet;
 import java.util.Set;
-
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
diff --git a/src/xdocs/config_imports.xml b/src/xdocs/config_imports.xml
index 570664410b91..61b8540b1eb9 100644
--- a/src/xdocs/config_imports.xml
+++ b/src/xdocs/config_imports.xml
@@ -1158,6 +1158,10 @@ public class InputEclipseStaticImportsOrder { }
 
       <subsection name="Error Messages">
         <ul>
+          <li>
+            <a href="https://github.com/search?q=path%3Asrc%2Fmain%2Fresources%2Fcom%2Fpuppycrawl%2Ftools%2Fcheckstyle%2Fchecks%2Fimports+filename%3Amessages*.properties+repo%3Acheckstyle%2Fcheckstyle+%22import.groups.separated.internally%22">
+            import.groups.separated.internally</a>
+          </li>
           <li>
             <a href="https://github.com/search?q=path%3Asrc%2Fmain%2Fresources%2Fcom%2Fpuppycrawl%2Ftools%2Fcheckstyle%2Fchecks%2Fimports+filename%3Amessages*.properties+repo%3Acheckstyle%2Fcheckstyle+%22import.ordering%22">
             import.ordering</a>