diff --git a/src/bin/scripts/t/020_createdb.pl b/src/bin/scripts/t/020_createdb.pl
index 8df32dba91..05069bcdbc 100644
--- a/src/bin/scripts/t/020_createdb.pl
+++ b/src/bin/scripts/t/020_createdb.pl
@@ -3,7 +3,7 @@ use warnings;
 
 use PostgresNode;
 use TestLib;
-use Test::More tests => 22;
+use Test::More tests => 19;
 
 program_help_ok('createdb');
 program_version_ok('createdb');
@@ -40,11 +40,3 @@ $node->command_checks_all(
 		qr/^createdb: database creation failed: ERROR:  invalid locale name/s
 	],
 	'createdb with incorrect --lc-collate');
-$node->command_checks_all(
-	[ 'createdb', '--lc-ctype', "foo'; SELECT '1", 'foobar2' ],
-	1,
-	[qr/^$/],
-	[
-		qr/^createdb: database creation failed: ERROR:  invalid locale name/s
-	],
-	'createdb with incorrect --lc-ctype');