diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/refactoring/overridemethods/OverrideMethodsRefactoringTest.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/refactoring/overridemethods/OverrideMethodsRefactoringTest.java
index 7002675e29b..9147c8b2a52 100755
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/refactoring/overridemethods/OverrideMethodsRefactoringTest.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/refactoring/overridemethods/OverrideMethodsRefactoringTest.java
@@ -640,4 +640,36 @@ public class OverrideMethodsRefactoringTest extends RefactoringTestBase {
 		selectedMethods = new String[] { "baseFunc(void *)const" };
 		assertRefactoringSuccess();
 	}
+
+	//A.h
+	//class Base {
+	//public:
+	//	virtual ~Base();
+	//	virtual void baseFunc() const {
+	//	}
+	//};
+	//class X: public Base {
+	//public:
+	//	X();
+	//	/*$*//*$$*/
+	//};
+	//====================
+	//class Base {
+	//public:
+	//	virtual ~Base();
+	//	virtual void baseFunc() const {
+	//	}
+	//};
+	//class X: public Base {
+	//public:
+	//	X();
+	//	virtual void baseFunc() const;
+	//};
+	//
+	//inline void X::baseFunc() const {
+	//}
+	public void testWithHeaderOnlyImpl_Bug548138() throws Exception {
+		selectedMethods = new String[] { "baseFunc()const" };
+		assertRefactoringSuccess();
+	}
 }
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/overridemethods/Method.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/overridemethods/Method.java
index 7da8987a12e..9a92f39f46e 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/overridemethods/Method.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/overridemethods/Method.java
@@ -137,9 +137,6 @@ public class Method {
 			return null;
 
 		IASTDeclarator declarator = (IASTDeclarator) declaration.getParent();
-		IASTNode parent = declarator.getParent();
-		if (!(parent instanceof IASTSimpleDeclaration))
-			return null;
 
 		/**
 		 * We can't just copy the original nodes here but we need to create a new node. We can't do it