diff --git a/src/passes/RemoveImports.cpp b/src/passes/RemoveImports.cpp
index 06865a8f997..561002f5779 100644
--- a/src/passes/RemoveImports.cpp
+++ b/src/passes/RemoveImports.cpp
@@ -31,7 +31,7 @@ struct RemoveImports : public Pass {
     }
   }
 
-  void visitModule(Module *curr) {
+  void visitModule(Module *curr) override {
     curr->importsMap.clear();
     curr->imports.clear();
   }