diff --git a/test/unit/support/shared/virtualbox_context.rb b/test/unit/support/shared/virtualbox_context.rb
index 75bd6b2dd..1909ccdc9 100644
--- a/test/unit/support/shared/virtualbox_context.rb
+++ b/test/unit/support/shared/virtualbox_context.rb
@@ -28,11 +28,6 @@ shared_context "virtualbox" do
     allow(subprocess).to receive(:execute).
       with("VBoxManage", "showvminfo", kind_of(String), kind_of(Hash)).
       and_return(subprocess_result(exit_code: 0))
-
-    # apparently this is also used in docker tests
-    #allow(subprocess).to receive(:execute).
-    #  with("docker", "version", an_instance_of(Hash)).
-    #  and_return(subprocess_result(exit_code: 0))
   end
 
   around do |example|