diff --git a/org.eclipse.xtext.relengutil/.classpath b/org.eclipse.xtext.relengutil/.classpath
index c5932f42c7e..a197b3cb4e8 100644
--- a/org.eclipse.xtext.relengutil/.classpath
+++ b/org.eclipse.xtext.relengutil/.classpath
@@ -7,5 +7,5 @@
 	</classpathentry>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="output" path="bin"/>
+	<classpathentry kind="output" path="target/classes"/>
 </classpath>
diff --git a/org.eclipse.xtext.relengutil/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.xtext.relengutil/.settings/org.eclipse.jdt.core.prefs
index 20cc7b58804..5bf5367f799 100644
--- a/org.eclipse.xtext.relengutil/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.xtext.relengutil/.settings/org.eclipse.jdt.core.prefs
@@ -1,6 +1,17 @@
 eclipse.preferences.version=1
+org.eclipse.jdt.core.builder.cleanOutputFolder=clean
+org.eclipse.jdt.core.builder.duplicateResourceTask=warning
+org.eclipse.jdt.core.builder.invalidClasspath=abort
+org.eclipse.jdt.core.builder.recreateModifiedClassFileInOutputFolder=ignore
+org.eclipse.jdt.core.builder.resourceCopyExclusionFilter=*.launch, *.xtend
+org.eclipse.jdt.core.circularClasspath=error
+org.eclipse.jdt.core.classpath.exclusionPatterns=enabled
+org.eclipse.jdt.core.classpath.mainOnlyProjectHasTestOnlyDependency=ignore
+org.eclipse.jdt.core.classpath.multipleOutputLocations=enabled
+org.eclipse.jdt.core.classpath.outputOverlappingAnotherSource=error
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
 org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.maxProblemPerUnit=100
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
@@ -8,3 +19,5 @@ org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
 org.eclipse.jdt.core.compiler.source=17
+org.eclipse.jdt.core.incompatibleJDKLevel=ignore
+org.eclipse.jdt.core.incompleteClasspath=error
diff --git a/org.eclipse.xtext.relengutil/.settings/org.eclipse.jdt.launching.prefs b/org.eclipse.xtext.relengutil/.settings/org.eclipse.jdt.launching.prefs
index 96809758d22..16e8b1511a0 100644
--- a/org.eclipse.xtext.relengutil/.settings/org.eclipse.jdt.launching.prefs
+++ b/org.eclipse.xtext.relengutil/.settings/org.eclipse.jdt.launching.prefs
@@ -1,3 +1,3 @@
-#Wed Aug 12 21:10:17 CEST 2009
 eclipse.preferences.version=1
+org.eclipse.jdt.launching.PREF_COMPILER_COMPLIANCE_DOES_NOT_MATCH_JRE=warning
 org.eclipse.jdt.launching.PREF_STRICTLY_COMPATIBLE_JRE_NOT_AVAILABLE=ignore