diff --git a/.gitignore b/.gitignore
index dfb63bf94da69..5eedfae07d6f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,9 @@ dist
 pkg/loki/wal
 tools/lambda-promtail/main
 
+# Submodule added by `act` CLI
+_shared-workflows-dockerhub-login
+
 # Workspaces
 *.work
 *.work.sum
diff --git a/_shared-workflows-dockerhub-login b/_shared-workflows-dockerhub-login
deleted file mode 160000
index 338682acb9523..0000000000000
--- a/_shared-workflows-dockerhub-login
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 338682acb95238001a1ea995e660d229e78d4e20