diff --git a/appveyor.yml b/appveyor.yml
index f40fb3e4c7..be2cc50d37 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -43,7 +43,6 @@ install:
 
 build_script:
   - bin\nim c koch
-  - koch boot
   - koch boot -d:release
   - koch nimble
   - nim e tests/test_nimscript.nims