diff --git a/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/Analyzer.kt b/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/Analyzer.kt
index f66bfd58b02e..f4997fbc695c 100644
--- a/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/Analyzer.kt
+++ b/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/Analyzer.kt
@@ -14,13 +14,13 @@ import io.gitlab.arturbosch.detekt.api.Rule
 import io.gitlab.arturbosch.detekt.api.RuleSet
 import io.gitlab.arturbosch.detekt.api.RuleSetProvider
 import io.gitlab.arturbosch.detekt.api.Severity
-import io.gitlab.arturbosch.detekt.api.internal.isSuppressedBy
 import io.gitlab.arturbosch.detekt.api.internal.whichDetekt
 import io.gitlab.arturbosch.detekt.api.internal.whichJava
 import io.gitlab.arturbosch.detekt.api.internal.whichOS
 import io.gitlab.arturbosch.detekt.api.ruleId
 import io.gitlab.arturbosch.detekt.core.rules.associateRuleIdsToRuleSetIds
 import io.gitlab.arturbosch.detekt.core.suppressors.buildSuppressors
+import io.gitlab.arturbosch.detekt.core.suppressors.isSuppressedBy
 import io.gitlab.arturbosch.detekt.core.util.isActiveOrDefault
 import io.gitlab.arturbosch.detekt.core.util.shouldAnalyzeFile
 import org.jetbrains.kotlin.config.languageVersionSettings
diff --git a/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/internal/Suppressions.kt b/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/suppressors/Suppressions.kt
similarity index 92%
rename from detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/internal/Suppressions.kt
rename to detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/suppressors/Suppressions.kt
index e3ebf46eb9e3..1a97c15d5e99 100644
--- a/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/internal/Suppressions.kt
+++ b/detekt-core/src/main/kotlin/io/gitlab/arturbosch/detekt/core/suppressors/Suppressions.kt
@@ -1,4 +1,4 @@
-package io.gitlab.arturbosch.detekt.api.internal
+package io.gitlab.arturbosch.detekt.core.suppressors
 
 import io.gitlab.arturbosch.detekt.api.Rule
 import io.gitlab.arturbosch.detekt.api.RuleSet
@@ -42,7 +42,7 @@ private val suppressionAnnotations = setOf("Suppress", "SuppressWarnings")
 /**
  * Checks if this kt element is suppressed by @Suppress or @SuppressWarnings annotations.
  */
-fun KtAnnotated.isSuppressedBy(id: Rule.Id, aliases: Set<String>, ruleSetId: RuleSet.Id? = null): Boolean {
+private fun KtAnnotated.isSuppressedBy(id: Rule.Id, aliases: Set<String>, ruleSetId: RuleSet.Id? = null): Boolean {
     val acceptedSuppressionIds = mutableSetOf(id.value, "ALL", "all", "All")
     if (ruleSetId != null) {
         acceptedSuppressionIds.addAll(listOf(ruleSetId.value, "$ruleSetId.$id", "$ruleSetId:$id"))
diff --git a/detekt-core/src/test/kotlin/io/gitlab/arturbosch/detekt/core/SuppressionSpec.kt b/detekt-core/src/test/kotlin/io/gitlab/arturbosch/detekt/core/suppressors/SuppressionsSpec.kt
similarity index 98%
rename from detekt-core/src/test/kotlin/io/gitlab/arturbosch/detekt/core/SuppressionSpec.kt
rename to detekt-core/src/test/kotlin/io/gitlab/arturbosch/detekt/core/suppressors/SuppressionsSpec.kt
index d01e4b65bc64..f1f27a663a3f 100644
--- a/detekt-core/src/test/kotlin/io/gitlab/arturbosch/detekt/core/SuppressionSpec.kt
+++ b/detekt-core/src/test/kotlin/io/gitlab/arturbosch/detekt/core/suppressors/SuppressionsSpec.kt
@@ -1,4 +1,4 @@
-package io.gitlab.arturbosch.detekt.core
+package io.gitlab.arturbosch.detekt.core.suppressors
 
 import io.github.detekt.test.utils.compileContentForTest
 import io.github.detekt.test.utils.compileForTest
@@ -8,7 +8,6 @@ import io.gitlab.arturbosch.detekt.api.Config
 import io.gitlab.arturbosch.detekt.api.Entity
 import io.gitlab.arturbosch.detekt.api.Location
 import io.gitlab.arturbosch.detekt.api.Rule
-import io.gitlab.arturbosch.detekt.api.internal.isSuppressedBy
 import io.gitlab.arturbosch.detekt.test.lint
 import io.gitlab.arturbosch.detekt.test.yamlConfigFromContent
 import org.assertj.core.api.Assertions.assertThat
@@ -20,7 +19,7 @@ import org.jetbrains.kotlin.psi.psiUtil.lastBlockStatementOrThis
 import org.junit.jupiter.api.Nested
 import org.junit.jupiter.api.Test
 
-class SuppressionSpec {
+class SuppressionsSpec {
 
     @Nested
     inner class `detekt findings can be suppressed with @Suppress or @SuppressWarnings` {