1 files changed, 2 insertions, 4 deletions
diff --git a/unittests/ASTMatchers/ASTMatchersTest.h b/unittests/ASTMatchers/ASTMatchersTest.h
index 66cc9bd450..5e63b6bb11 100644
--- a/unittests/ASTMatchers/ASTMatchersTest.h
+++ b/unittests/ASTMatchers/ASTMatchersTest.h
@@ -24,10 +24,8 @@ using clang::tooling::FrontendActionFactory;
 class BoundNodesCallback {
 public:
   virtual ~BoundNodesCallback() {}
-  virtual bool run(const BoundNodes *BoundNodes) { return false; }
-  virtual bool run(const BoundNodes *BoundNodes, ASTContext *Context) {
-    return run(BoundNodes);
-  }
+  virtual bool run(const BoundNodes *BoundNodes) = 0;
+  virtual bool run(const BoundNodes *BoundNodes, ASTContext *Context) = 0;
 };
 
 // If 'FindResultVerifier' is not NULL, sets *Verified to the result of