--- a/grpc.t
+++ b/grpc.t
@@ -190,25 +190,14 @@ ok($c = $frame->{headers}{'x-connection'
 
 $frames = $f->{http_start}('/KeepAlive', reuse => 1);
 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
-
-TODO: {
-local $TODO = 'not yet' unless $t->has_version('1.15.4');
-
 ok($frame, 'upstream keepalive reused');
 
-}
-
-TODO: {
-todo_skip 'upstream connection failed', 2 unless $frame;
-
 cmp_ok($frame->{sid}, '>', $sid, 'keepalive 2 - HEADERS sid next');
 $f->{data}('Hello');
 $frames = $f->{http_end}();
 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
 is($frame->{headers}{'x-connection'}, $c, 'keepalive 2 - connection reuse');
 
-}
-
 undef $f;
 # don't bother with a new instance until the old one is over
 select undef, undef, undef, 0.2 unless $t->has_version('1.15.4');

--- a/grpc_request_buffering.t
+++ b/grpc_request_buffering.t
@@ -91,34 +91,20 @@ is($frame->{headers}{'x-body'}, 'Hello',
 # tcp_nopush usage on peer connections
 # reopen window for request body after initial window was exhausted
 
-TODO: {
-local $TODO = 'not yet' if $t->read_file('nginx.conf') =~ /sendfile on/
-	and !$t->has_version('1.15.1') and $^O eq 'freebsd';
-
 $frames = $f->{http_start}('/proxy');
 is(eval(join '+', map { $_->{length} } grep { $_->{type} eq "DATA" } @$frames),
 	65535, 'preserve_output - first body bytes');
 
-}
-
 # expect body cleanup is disabled with preserve_output (ticket #1565).
 # after request body first bytes were proxied on behalf of initial window size,
 # send response header from upstream, this leads to body cleanup code path
 
-TODO: {
-local $TODO = 'not yet' unless $t->has_version('1.15.1');
-
 $frames = $f->{http_end}();
 is(eval(join '+', map { $_->{length} } grep { $_->{type} eq "DATA" } @$frames),
 	465, 'preserve_output - last body bytes');
 
 like(`grep -F '[crit]' ${\($t->testdir())}/error.log`, qr/^$/s, 'no crits');
 
-}
-
-$t->todo_alerts() if $t->read_file('nginx.conf') =~ /sendfile on/
-	and !$t->has_version('1.15.1');
-
 ###############################################################################
 
 sub grpc {

--- a/grpc_ssl.t
+++ b/grpc_ssl.t
@@ -205,18 +205,12 @@ cmp_ok($frame->{headers}{'x-connection'}
 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
 ok($c = $frame->{headers}{'x-connection'}, 'keepalive - connection');
 
-TODO: {
-local $TODO = 'not yet' if ($^O eq 'MSWin32' or $^O eq 'solaris')
-	and !$t->has_version('1.15.4');
-
 $f->{http_start}('/KeepAlive');
 $f->{data}('Hello');
 $frames = $f->{http_end}();
 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
 is($frame->{headers}{'x-connection'}, $c, 'keepalive - connection reuse');
 
-}
-
 ###############################################################################
 
 sub grpc {