diff --git a/org.eclipse.xtext.tests/xtend-gen/org/eclipse/xtext/formatting2/internal/GenericFormatter.java b/org.eclipse.xtext.tests/xtend-gen/org/eclipse/xtext/formatting2/internal/GenericFormatter.java
index a126ea993..5f914f87d 100644
--- a/org.eclipse.xtext.tests/xtend-gen/org/eclipse/xtext/formatting2/internal/GenericFormatter.java
+++ b/org.eclipse.xtext.tests/xtend-gen/org/eclipse/xtext/formatting2/internal/GenericFormatter.java
@@ -28,6 +28,7 @@ public abstract class GenericFormatter<T extends EObject> extends AbstractFormat
   
   protected abstract void format(final T model, final ITextRegionExtensions regionAccess, final IFormattableDocument document);
   
+  @Override
   public void format(final Object obj, final IFormattableDocument document) {
     if (obj instanceof XtextResource) {
       _format((XtextResource)obj, document);
diff --git a/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/idea/parser/antlr/PsiAntlrGrammarGenerator.java b/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/idea/parser/antlr/PsiAntlrGrammarGenerator.java
index 42916300b..0d9e8d180 100644
--- a/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/idea/parser/antlr/PsiAntlrGrammarGenerator.java
+++ b/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/idea/parser/antlr/PsiAntlrGrammarGenerator.java
@@ -1050,6 +1050,7 @@ public class PsiAntlrGrammarGenerator extends AbstractAntlrGrammarWithActionsGen
     return "Boolean";
   }
   
+  @Override
   protected CharSequence compileRule(final Object it, final Grammar grammar, final AntlrOptions options) {
     if (it instanceof EnumRule) {
       return _compileRule((EnumRule)it, grammar, options);
diff --git a/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AbstractAntlrGrammarWithActionsGenerator.java b/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AbstractAntlrGrammarWithActionsGenerator.java
index 5c687b661..be629ee6b 100644
--- a/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AbstractAntlrGrammarWithActionsGenerator.java
+++ b/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AbstractAntlrGrammarWithActionsGenerator.java
@@ -660,6 +660,7 @@ public abstract class AbstractAntlrGrammarWithActionsGenerator extends AbstractA
     }
   }
   
+  @Override
   protected String ebnf2(final AbstractElement it, final AntlrOptions options, final boolean supportActions) {
     if (it instanceof Alternatives) {
       return _ebnf2((Alternatives)it, options, supportActions);
@@ -685,6 +686,7 @@ public abstract class AbstractAntlrGrammarWithActionsGenerator extends AbstractA
     }
   }
   
+  @Override
   protected String assignmentEbnf(final AbstractElement it, final Assignment assignment, final AntlrOptions options, final boolean supportActions) {
     if (it instanceof Alternatives) {
       return _assignmentEbnf((Alternatives)it, assignment, options, supportActions);
@@ -706,6 +708,7 @@ public abstract class AbstractAntlrGrammarWithActionsGenerator extends AbstractA
     }
   }
   
+  @Override
   public boolean mustBeParenthesized(final AbstractElement it) {
     if (it instanceof Alternatives) {
       return _mustBeParenthesized((Alternatives)it);
diff --git a/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrContentAssistGrammarGenerator.java b/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrContentAssistGrammarGenerator.java
index 08404478b..2b0847e07 100644
--- a/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrContentAssistGrammarGenerator.java
+++ b/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrContentAssistGrammarGenerator.java
@@ -1280,6 +1280,7 @@ public class AntlrContentAssistGrammarGenerator extends AbstractAntlrGrammarWith
     return false;
   }
   
+  @Override
   protected CharSequence compileRule(final Object it, final Grammar grammar, final AntlrOptions options) {
     if (it instanceof Alternatives) {
       return _compileRule((Alternatives)it, grammar, options);
@@ -1303,6 +1304,7 @@ public class AntlrContentAssistGrammarGenerator extends AbstractAntlrGrammarWith
     }
   }
   
+  @Override
   protected String assignmentEbnf(final AbstractElement it, final Assignment assignment, final AntlrOptions options, final boolean supportsActions) {
     if (it instanceof Alternatives) {
       return _assignmentEbnf((Alternatives)it, assignment, options, supportsActions);
@@ -1324,6 +1326,7 @@ public class AntlrContentAssistGrammarGenerator extends AbstractAntlrGrammarWith
     }
   }
   
+  @Override
   protected String crossrefEbnf(final AbstractElement it, final CrossReference ref, final boolean supportActions) {
     if (it instanceof Alternatives) {
       return _crossrefEbnf((Alternatives)it, ref, supportActions);
@@ -1350,6 +1353,7 @@ public class AntlrContentAssistGrammarGenerator extends AbstractAntlrGrammarWith
     }
   }
   
+  @Override
   protected String ebnf2(final AbstractElement it, final AntlrOptions options, final boolean supportActions) {
     if (it instanceof Alternatives) {
       return _ebnf2((Alternatives)it, options, supportActions);
diff --git a/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrGrammarGenerator.java b/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrGrammarGenerator.java
index a650a7454..ec31e30ed 100644
--- a/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrGrammarGenerator.java
+++ b/org.eclipse.xtext.xtext.generator/xtend-gen/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrGrammarGenerator.java
@@ -1199,6 +1199,7 @@ public class AntlrGrammarGenerator extends AbstractAntlrGrammarWithActionsGenera
     return _builder;
   }
   
+  @Override
   protected CharSequence compileRule(final Object it, final Grammar grammar, final AntlrOptions options) {
     if (it instanceof EnumRule) {
       return _compileRule((EnumRule)it, grammar, options);