diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 949e84f36a..4cf9dff549 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -3183,10 +3183,3 @@ std::string cmGlobalNinjaMultiGenerator::OrderDependsTargetForTarget(
   return cmStrCat("cmake_object_order_depends_target_", target->GetName(), '_',
                   cmSystemTools::UpperCase(config));
 }
-
-std::string cmGlobalNinjaMultiGenerator::OrderDependsTargetForTargetPrivate(
-  cmGeneratorTarget const* target, const std::string& config) const
-{
-  return cmStrCat(this->OrderDependsTargetForTarget(target, config),
-                  "_private");
-}
diff --git a/Source/cmGlobalNinjaGenerator.h b/Source/cmGlobalNinjaGenerator.h
index 56a922c8f2..d731b16f9b 100644
--- a/Source/cmGlobalNinjaGenerator.h
+++ b/Source/cmGlobalNinjaGenerator.h
@@ -349,7 +349,7 @@ public:
   virtual std::string OrderDependsTargetForTarget(
     cmGeneratorTarget const* target, const std::string& config) const;
 
-  virtual std::string OrderDependsTargetForTargetPrivate(
+  std::string OrderDependsTargetForTargetPrivate(
     cmGeneratorTarget const* target, const std::string& config) const;
 
   void AppendTargetOutputs(cmGeneratorTarget const* target,
@@ -741,9 +741,6 @@ public:
   std::string OrderDependsTargetForTarget(
     cmGeneratorTarget const* target, const std::string& config) const override;
 
-  std::string OrderDependsTargetForTargetPrivate(
-    cmGeneratorTarget const* target, const std::string& config) const override;
-
 protected:
   bool OpenBuildFileStreams() override;
   void CloseBuildFileStreams() override;