diff --git a/ci/clang.yml b/ci/clang.yml
index 063f72d9..f3524473 100644
--- a/ci/clang.yml
+++ b/ci/clang.yml
@@ -4,7 +4,6 @@ header:
 repos:
   meta-clang:
     url: https://github.com/kraj/meta-clang
-    refspec: master
 
 local_conf_header:
   clang: |
diff --git a/ci/meta-zephyr.yml b/ci/meta-zephyr.yml
index d8fae2ef..2b9d19e5 100644
--- a/ci/meta-zephyr.yml
+++ b/ci/meta-zephyr.yml
@@ -6,4 +6,3 @@ header:
 repos:
   meta-zephyr:
     url: https://git.yoctoproject.org/git/meta-zephyr
-    refspec: master