diff --git a/compiler/nim.cfg b/compiler/nim.cfg
index 9cdb9c6c9a..1bd3fbfd6c 100644
--- a/compiler/nim.cfg
+++ b/compiler/nim.cfg
@@ -6,7 +6,7 @@ path:"$projectPath/.."
 
 define:booting
 define:nimcore
-define:nimIncremental
+#define:nimIncremental
 #import:"$projectpath/testability"
 
 @if windows: