diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index a750970..40cae1c 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -19,7 +19,6 @@ jobs:
         args: git submodule update --init
     - name: configure
       run: 
-        mkdir build
         cd build
         cmake ..
     - name: make