diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 7cf855746832b7400f9923297c4a0170cfacce36..4cb89a1256a7fc7df0fce443f61eb209b82ac8e6 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -148,11 +148,9 @@ __git_ps1 ()
 		elif [ "true" = "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]; then
 			if [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ]; then
 				if [ "$(git config --bool bash.showDirtyState)" != "false" ]; then
-					git diff --no-ext-diff --ignore-submodules \
-						--quiet --exit-code || w="*"
+					git diff --no-ext-diff --quiet --exit-code || w="*"
 					if git rev-parse --quiet --verify HEAD >/dev/null; then
-						git diff-index --cached --quiet \
-							--ignore-submodules HEAD -- || i="+"
+						git diff-index --cached --quiet HEAD -- || i="+"
 					else
 						i="#"
 					fi