diff --git a/Source/cmState.cxx b/Source/cmState.cxx
index b6f1808b2a..902287c010 100644
--- a/Source/cmState.cxx
+++ b/Source/cmState.cxx
@@ -14,7 +14,6 @@
 #include "cmCacheManager.h"
 #include "cmCommand.h"
 #include "cmDefinitions.h"
-#include "cmDisallowedCommand.h"
 #include "cmExecutionStatus.h"
 #include "cmGlobVerificationManager.h"
 #include "cmListFileCache.h"
@@ -485,16 +484,6 @@ void cmState::AddDisallowedCommand(std::string const& name,
     });
 }
 
-void cmState::AddDisallowedCommand(std::string const& name,
-                                   std::unique_ptr<cmCommand> command,
-                                   cmPolicies::PolicyID policy,
-                                   const char* message)
-{
-  this->AddBuiltinCommand(
-    name,
-    cm::make_unique<cmDisallowedCommand>(std::move(command), policy, message));
-}
-
 void cmState::AddUnexpectedCommand(std::string const& name, const char* error)
 {
   this->AddBuiltinCommand(
diff --git a/Source/cmState.h b/Source/cmState.h
index 937ab61b8d..a7ca015c1c 100644
--- a/Source/cmState.h
+++ b/Source/cmState.h
@@ -159,9 +159,6 @@ public:
   void AddBuiltinCommand(std::string const& name, BuiltinCommand command);
   void AddDisallowedCommand(std::string const& name, BuiltinCommand command,
                             cmPolicies::PolicyID policy, const char* message);
-  void AddDisallowedCommand(std::string const& name,
-                            std::unique_ptr<cmCommand> command,
-                            cmPolicies::PolicyID policy, const char* message);
   void AddUnexpectedCommand(std::string const& name, const char* error);
   void AddScriptedCommand(std::string const& name, Command command);
   void RemoveBuiltinCommand(std::string const& name);