diff --git a/linux/mcompile/keymap/main.cpp b/linux/mcompile/keymap/main.cpp
index 4f82a7ec1a..1b5323d755 100644
--- a/linux/mcompile/keymap/main.cpp
+++ b/linux/mcompile/keymap/main.cpp
@@ -83,5 +83,7 @@ int main(int argc, char* argv[]) {
     }
   }
 
+  delete kmxfile;
+
   return 0;
 }