6 files changed, 7 insertions, 7 deletions
diff --git a/erts/emulator/test/alloc_SUITE.erl b/erts/emulator/test/alloc_SUITE.erl
index 1f690c5015..82f2849278 100644
--- a/erts/emulator/test/alloc_SUITE.erl
+++ b/erts/emulator/test/alloc_SUITE.erl
@@ -81,7 +81,7 @@ migration(Cfg) ->
     end.
 
 erts_mmap(Config) when is_list(Config) ->
-    case test_server:os_type() of
+    case os:type() of
 	{unix, _} ->
 	    [erts_mmap_do(Config, SCO, SCRPM, SCRFSD)
 	     || SCO <-[true,false], SCRFSD <-[1234,0], SCRPM <- [true,false]];
@@ -144,7 +144,7 @@ drv_case(Config) ->
     drv_case(Config, one_shot, "").
 
 drv_case(Config, Mode, NodeOpts) when is_list(Config) ->
-    case test_server:os_type() of
+    case os:type() of
 	{Family, _} when Family == unix; Family == win32 ->
 	    {ok, Node} = start_node(Config, NodeOpts),
 	    Self = self(),
diff --git a/erts/emulator/test/erl_drv_thread_SUITE.erl b/erts/emulator/test/erl_drv_thread_SUITE.erl
index 41a761229c..294d9ee05f 100644
--- a/erts/emulator/test/erl_drv_thread_SUITE.erl
+++ b/erts/emulator/test/erl_drv_thread_SUITE.erl
@@ -65,7 +65,7 @@ drv_case(Config, CaseName, Command, TimeTrap) when is_list(Config),
                                                    is_atom(CaseName),
                                                    is_list(Command),
                                                    is_integer(TimeTrap) ->
-    case test_server:os_type() of
+    case os:type() of
         {Family, _} when Family == unix; Family == win32 ->
             run_drv_case(Config, CaseName, Command, TimeTrap);
         SkipOs ->
diff --git a/erts/emulator/test/ignore_cores.erl b/erts/emulator/test/ignore_cores.erl
index 7373303a39..da6f6850c6 100644
--- a/erts/emulator/test/ignore_cores.erl
+++ b/erts/emulator/test/ignore_cores.erl
@@ -94,7 +94,7 @@ setup(Suite, Testcase, Config, SetCwd) when is_atom(Suite),
     end,
     ok = file:write_file(filename:join([IgnDir, "ignore_core_files"]), <<>>),
     %% cores are dumped in /cores on MacOS X
-    CoresDir = case {test_server:os_type(), filelib:is_dir("/cores")} of
+    CoresDir = case {os:type(), filelib:is_dir("/cores")} of
 		   {{unix,darwin}, true} ->
 		       filelib:fold_files("/cores",
 					  "^core.*$",
diff --git a/erts/emulator/test/node_container_SUITE.erl b/erts/emulator/test/node_container_SUITE.erl
index 5275290d04..662e5423b9 100644
--- a/erts/emulator/test/node_container_SUITE.erl
+++ b/erts/emulator/test/node_container_SUITE.erl
@@ -710,7 +710,7 @@ run_otp_4715(Config) when is_list(Config) ->
 pid_wrap(Config) when is_list(Config) -> pp_wrap(pid).
 
 port_wrap(Config) when is_list(Config) ->
-    case test_server:os_type() of
+    case os:type() of
         {unix, _} ->
             pp_wrap(port);
         _ ->
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index b85d789bbe..cfbc664b56 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -1757,7 +1757,7 @@ otp_6224_loop() ->
 
 exit_status_multi_scheduling_block(Config) when is_list(Config) ->
     Repeat = 3,
-    case test_server:os_type() of
+    case os:type() of
         {unix, _} ->
             ct:timetrap({minutes, 2*Repeat}),
             SleepSecs = 6,
diff --git a/erts/emulator/test/scheduler_SUITE.erl b/erts/emulator/test/scheduler_SUITE.erl
index 20e473d327..0b4b302908 100644
--- a/erts/emulator/test/scheduler_SUITE.erl
+++ b/erts/emulator/test/scheduler_SUITE.erl
@@ -876,7 +876,7 @@ get_affinity_mask(_Port, _Status, Affinity) ->
     Affinity.
 
 get_affinity_mask() ->
-    case test_server:os_type() of
+    case os:type() of
 	{unix, linux} ->
 	    case catch open_port({spawn, "taskset -p " ++ os:getpid()},
 				 [exit_status]) of