diff --git a/Source/cmCommands.cxx b/Source/cmCommands.cxx
index cd1b5af822..f71be0da58 100644
--- a/Source/cmCommands.cxx
+++ b/Source/cmCommands.cxx
@@ -320,8 +320,7 @@ void GetProjectCommands(cmState* state)
     "output_required_files", cmOutputRequiredFilesCommand, cmPolicies::CMP0032,
     "The output_required_files command should not be called; see CMP0032.");
   state->AddDisallowedCommand(
-    "subdir_depends", cm::make_unique<cmSubdirDependsCommand>(),
-    cmPolicies::CMP0029,
+    "subdir_depends", cmSubdirDependsCommand, cmPolicies::CMP0029,
     "The subdir_depends command should not be called; see CMP0029.");
   state->AddDisallowedCommand(
     "utility_source", cm::make_unique<cmUtilitySourceCommand>(),
diff --git a/Source/cmSubdirDependsCommand.cxx b/Source/cmSubdirDependsCommand.cxx
index 0bb2c0ac49..496c60da75 100644
--- a/Source/cmSubdirDependsCommand.cxx
+++ b/Source/cmSubdirDependsCommand.cxx
@@ -4,8 +4,8 @@
 
 class cmExecutionStatus;
 
-bool cmSubdirDependsCommand::InitialPass(std::vector<std::string> const&,
-                                         cmExecutionStatus&)
+bool cmSubdirDependsCommand(std::vector<std::string> const&,
+                            cmExecutionStatus&)
 {
   return true;
 }
diff --git a/Source/cmSubdirDependsCommand.h b/Source/cmSubdirDependsCommand.h
index 64c28b9ac0..bf99bd17d8 100644
--- a/Source/cmSubdirDependsCommand.h
+++ b/Source/cmSubdirDependsCommand.h
@@ -8,21 +8,9 @@
 #include <string>
 #include <vector>
 
-#include "cm_memory.hxx"
-
-#include "cmCommand.h"
-
 class cmExecutionStatus;
 
-class cmSubdirDependsCommand : public cmCommand
-{
-public:
-  std::unique_ptr<cmCommand> Clone() override
-  {
-    return cm::make_unique<cmSubdirDependsCommand>();
-  }
-  bool InitialPass(std::vector<std::string> const& args,
-                   cmExecutionStatus& status) override;
-};
+bool cmSubdirDependsCommand(std::vector<std::string> const& args,
+                            cmExecutionStatus& status);
 
 #endif