2 files changed, 7 insertions, 5 deletions
diff --git a/spec/ruby/core/thread/shared/exit.rb b/spec/ruby/core/thread/shared/exit.rb
index 0c9198c538..3c63517d92 100644
--- a/spec/ruby/core/thread/shared/exit.rb
+++ b/spec/ruby/core/thread/shared/exit.rb
@@ -3,6 +3,10 @@ describe :thread_exit, shared: true do
     ScratchPad.clear
   end
 
+  # This spec randomly kills mspec worker like: https://ci.appveyor.com/project/ruby/ruby/builds/19390874/job/wv1bsm8skd4e1pxl
+  # TODO: Investigate the cause or at least print helpful logs, and remove this `platform_is_not` guard.
+  platform_is_not :mingw do
+
   it "kills sleeping thread" do
     sleeping_thread = Thread.new do
       sleep
@@ -173,4 +177,6 @@ describe :thread_exit, shared: true do
       t.join.should == t
     end
   end
+
+  end # platform_is_not :mingw
 end
diff --git a/spec/ruby/core/thread/terminate_spec.rb b/spec/ruby/core/thread/terminate_spec.rb
index 9815a7cee7..cf6cab472b 100644
--- a/spec/ruby/core/thread/terminate_spec.rb
+++ b/spec/ruby/core/thread/terminate_spec.rb
@@ -3,9 +3,5 @@ require_relative 'fixtures/classes'
 require_relative 'shared/exit'
 
 describe "Thread#terminate" do
-  # This spec randomly kills mspec worker like: https://ci.appveyor.com/project/ruby/ruby/builds/19390874/job/wv1bsm8skd4e1pxl
-  # TODO: Investigate the cause or at least print helpful logs, and remove this `platform_is_not` guard.
-  platform_is_not :mingw do
-    it_behaves_like :thread_exit, :terminate
-  end
+  it_behaves_like :thread_exit, :terminate
 end