diff --git a/tests/base32.c b/tests/base32.c
index 9ff0cf7..7aad09c 100644
--- a/tests/base32.c
+++ b/tests/base32.c
@@ -67,7 +67,6 @@ START_TEST(test_base32_decode)
 	len = sizeof(buf);
 	val = b32->decode(buf, &len, testpairs[_i].b, strlen(testpairs[_i].b));
 
-	fail_unless(buf != NULL, "buf == NULL");
 	fail_unless(strcmp(buf, testpairs[_i].a) == 0,
 			"'%s' != '%s'", buf, testpairs[_i].a);
 }
diff --git a/tests/base64.c b/tests/base64.c
index bd0e9ce..a68422c 100644
--- a/tests/base64.c
+++ b/tests/base64.c
@@ -93,7 +93,6 @@ START_TEST(test_base64_decode)
 	len = sizeof(buf);
 	val = b64->decode(buf, &len, testpairs[_i].b, strlen(testpairs[_i].b));
 
-	fail_unless(buf != NULL, "buf == NULL");
 	fail_unless(strcmp(buf, testpairs[_i].a) == 0,
 			"'%s' != '%s'", buf, testpairs[_i].a);
 }