diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/CRefactoringContribution.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/CRefactoringContribution.java
index 4b9c3729873..a5d9edf0723 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/CRefactoringContribution.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/CRefactoringContribution.java
@@ -26,9 +26,8 @@ public abstract class CRefactoringContribution extends RefactoringContribution {
 		super();
 	}
 
-	@SuppressWarnings("rawtypes")
 	@Override
-	public Map retrieveArgumentMap(RefactoringDescriptor descriptor) {
+	public Map<String, String> retrieveArgumentMap(RefactoringDescriptor descriptor) {
 		if (descriptor instanceof CRefactoringDescriptor) {
 			CRefactoringDescriptor refDesc = (CRefactoringDescriptor) descriptor;
 			return refDesc.getParameterMap();