diff --git a/.github/workflows/mirror.yaml b/.github/workflows/mirror.yaml
index 82d43c5..5971aee 100644
--- a/.github/workflows/mirror.yaml
+++ b/.github/workflows/mirror.yaml
@@ -25,7 +25,6 @@ jobs:
         uses: yesolutions/mirror-action@v0.7.0
         with:
           REMOTE: "https://gitlab.com/sorairolake/Sysexits.jl.git"
-          GIT_USERNAME: sorairolake
           GIT_PASSWORD: ${{ secrets.GITLAB_TOKEN }}
           PUSH_ALL_REFS: "false"
 
@@ -42,6 +41,5 @@ jobs:
         uses: yesolutions/mirror-action@v0.7.0
         with:
           REMOTE: "https://codeberg.org/sorairolake/Sysexits.jl.git"
-          GIT_USERNAME: sorairolake
           GIT_PASSWORD: ${{ secrets.CODEBERG_TOKEN }}
           PUSH_ALL_REFS: "false"