--- a/sub_filter.t
+++ b/sub_filter.t
@@ -106,13 +106,6 @@ like(http_get('/complex3?b=aab'), qr/_re
 like(http_get('/complex3?b=aaab'), qr/a_replaced/, 'complex3 aab in aaab');
 like(http_get('/complex3?b=aaaab'), qr/aa_replaced/, 'complex3 aab in aaaab');
 
-TODO: {
-local $TODO = 'not yet' unless $t->has_version('1.7.5');
-
-SKIP: {
-skip 'leaves coredump', 8 unless $t->has_version('1.7.5')
-	or $ENV{TEST_NGINX_UNSAFE};
-
 like(http_get('/single?b=A'), qr/B/, 'single only');
 like(http_get('/single?b=AA'), qr/BA/, 'single begin');
 like(http_get('/single?b=CAAC'), qr/CBAC/, 'single middle');
@@ -123,8 +116,4 @@ like(http_get('/single/many?b=AA'), qr/B
 like(http_get('/single/many?b=CAAC'), qr/CBBC/, 'single many middle');
 like(http_get('/single/many?b=CA'), qr/CB/, 'single many end');
 
-}
-
-}
-
 ###############################################################################