diff --git a/ci_cd/lab0.yml b/ci_cd/lab0.yml
index f50085636bd003bedafe2c6748b94a51856f2e44..a83e2082104c4328b8be2c25503def143dc91b0a 100644
--- a/ci_cd/lab0.yml
+++ b/ci_cd/lab0.yml
@@ -7,7 +7,6 @@ prebuild_lab_0:
         echo "lab0.cpp" does not exist
         exit 1;
       fi
-    -
     - |  # check that lab-1.cpp has been merged (i.e., accepted) into master
       git ls-tree -r origin/master --name-only
       if git ls-tree -r origin/master --name-only | grep -q 'lab-1.cpp'; then