diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh
index 375cf94398..f25ae8b5e1 100755
--- a/t/t0020-crlf.sh
+++ b/t/t0020-crlf.sh
@@ -87,10 +87,8 @@ test_expect_success 'safecrlf: print warning only once' '
 	git commit -m "nowarn" &&
 	for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >doublewarn &&
 	git add doublewarn 2>err &&
-	if test_have_prereq C_LOCALE_OUTPUT
-	then
-		test $(grep "CRLF will be replaced by LF" err | wc -l) = 1
-	fi
+	grep "CRLF will be replaced by LF" err >err.warnings &&
+	test_line_count = 1 err.warnings
 '
 
 
diff --git a/t/t9003-help-autocorrect.sh b/t/t9003-help-autocorrect.sh
index 03cd5c5423..f00deaf381 100755
--- a/t/t9003-help-autocorrect.sh
+++ b/t/t9003-help-autocorrect.sh
@@ -56,11 +56,8 @@ test_expect_success 'autocorrect can be declined altogether' '
 	git config help.autocorrect never &&
 
 	test_must_fail git lfg 2>actual &&
-	if test_have_prereq C_LOCALE_OUTPUT
-	then
-		grep "is not a git command" actual &&
-		test_line_count = 1 actual
-	fi
+	grep "is not a git command" actual &&
+	test_line_count = 1 actual
 '
 
 test_done
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 431adba0fb..6d188a8075 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1519,11 +1519,6 @@ test -n "$USE_LIBPCRE2" && test_set_prereq PCRE
 test -n "$USE_LIBPCRE2" && test_set_prereq LIBPCRE2
 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
 
-# Used to be used for GIT_TEST_GETTEXT_POISON=false. Only here as a
-# shim for other in-flight changes. Should not be used and will be
-# removed soon.
-test_set_prereq C_LOCALE_OUTPUT
-
 if test -z "$GIT_TEST_CHECK_CACHE_TREE"
 then
 	GIT_TEST_CHECK_CACHE_TREE=true