diff --git a/tests/utils/utils_test.c b/tests/utils/utils_test.c
index 26c94dcef..9ab12a15a 100644
--- a/tests/utils/utils_test.c
+++ b/tests/utils/utils_test.c
@@ -1280,9 +1280,6 @@ void strbuf_test(void)
 	snprintf(buf, sizeof(buf), "0x2b 0x2b 0x2b...");
 	printf("4: (need %d chars, had size=0) %s\n", rc, buf);
 
-	rc = strbuf_example2(NULL, 99);
-	printf("5: (need %d chars, had NULL buffer)\n", rc);
-
 	printf("\ncascade:\n");
 	rc = strbuf_cascade(buf, sizeof(buf));
 	printf("(need %d chars)\n%s\n", rc, buf);
diff --git a/tests/utils/utils_test.ok b/tests/utils/utils_test.ok
index c0c956043..8a66ba81d 100644
--- a/tests/utils/utils_test.ok
+++ b/tests/utils/utils_test.ok
@@ -458,7 +458,6 @@ OSMO_STRBUF_PRINTF():
 2: (need 42 chars, had size=42) T minus 10 9 8 7 6 5 4 3 2 1 ... Lift off
 3: (need 42 chars, had size=42+1) T minus 10 9 8 7 6 5 4 3 2 1 ... Lift off!
 4: (need 42 chars, had size=0) 0x2b 0x2b 0x2b...
-5: (need 42 chars, had NULL buffer)
 
 cascade:
 (need 134 chars)