diff --git a/main/coreplugins/io.sarl.lang/META-INF/MANIFEST.MF b/main/coreplugins/io.sarl.lang/META-INF/MANIFEST.MF
index 00b5e3dc5d..a4a9582d33 100644
--- a/main/coreplugins/io.sarl.lang/META-INF/MANIFEST.MF
+++ b/main/coreplugins/io.sarl.lang/META-INF/MANIFEST.MF
@@ -18,13 +18,11 @@ Require-Bundle: io.sarl.lang.core;bundle-version="0.11.0";visibility:=reexport,
  org.eclipse.osgi;bundle-version="3.15.100",
  org.antlr.runtime;bundle-version="3.2.0",
  org.objectweb.asm;bundle-version="7.2.0";resolution:=optional,
- org.eclipse.jdt.core;bundle-version="3.20.0",
  org.eclipse.emf.ecore;bundle-version="2.20.0",
  org.eclipse.emf.common;bundle-version="2.17.0",
- org.eclipse.core.runtime;bundle-version="3.17.0",
  com.google.inject;bundle-version="4.1.0",
  org.apache.commons.io;bundle-version="2.6.0",
- slf4j.api;bundle-version="2.0.0"
+ org.eclipse.core.runtime;bundle-version="3.17.0"
 Bundle-Activator: io.sarl.lang.SARLLangActivator
 Export-Package: io.sarl.lang,
  io.sarl.lang.bugfixes.pending.bug621,
diff --git a/main/coreplugins/io.sarl.lang/src/io/sarl/lang/util/Utils.java b/main/coreplugins/io.sarl.lang/src/io/sarl/lang/util/Utils.java
index 17de8534a6..c33097c0ab 100644
--- a/main/coreplugins/io.sarl.lang/src/io/sarl/lang/util/Utils.java
+++ b/main/coreplugins/io.sarl.lang/src/io/sarl/lang/util/Utils.java
@@ -44,7 +44,6 @@
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EStructuralFeature;
 import org.eclipse.emf.ecore.util.EcoreUtil;
-import org.eclipse.jdt.core.Flags;
 import org.eclipse.xtend.core.jvmmodel.XtendJvmModelInferrer;
 import org.eclipse.xtend.core.xtend.XtendFunction;
 import org.eclipse.xtend.core.xtend.XtendMember;
@@ -1457,7 +1456,7 @@ public static String dump(Object object, boolean includeStaticField) {
 			boolean firstRound = true;
 
 			for (final Field field : fields) {
-				if (!includeStaticField && Flags.isStatic(field.getModifiers())) {
+				if (!includeStaticField && Modifier.isStatic(field.getModifiers())) {
 					continue;
 				}
 				if (!firstRound) {