diff --git a/CI/before_script.macos.sh b/CI/before_script.macos.sh
index f0e4c63ba0..8d83949f09 100755
--- a/CI/before_script.macos.sh
+++ b/CI/before_script.macos.sh
@@ -1,8 +1,5 @@
 #!/bin/sh -e
 
-# Silence a git warning
-git config --global advice.detachedHead false
-
 rm -fr build
 mkdir build
 cd build