diff --git a/externals/Makefile b/externals/Makefile
index e7ea11fc9ae4593f14e6f976f87f6c3fbe47129b..f18d8cfa39cdc8500660abfae3cb78732fd561f7 100644
--- a/externals/Makefile
+++ b/externals/Makefile
@@ -1386,6 +1386,7 @@ oscx_clean:
 	-$(MAKE) -C $(externals_src)/OSCx $(DEST_PATHS) clean
 	-$(MAKE) -C $(externals_src)/OSCx CC=gcc clean
 	-rm $(externals_src)/OSCx/Makefile
+	-rm $(externals_src)/OSCx/configure