diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 4470193508..9286e93c8e 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -1102,7 +1102,7 @@ cmTarget* cmMakefile::AddCustomCommandToTarget(
   }
 
   // Always create the byproduct sources and mark them generated.
-  this->CreateGeneratedByproducts(byproducts);
+  this->CreateGeneratedOutputs(byproducts);
 
   // Strings could be moved into the callback function with C++14.
   cm::optional<std::string> commentStr = MakeOptionalString(comment);
@@ -1161,7 +1161,7 @@ void cmMakefile::AddCustomCommandToOutput(
 
   // Always create the output sources and mark them generated.
   this->CreateGeneratedOutputs(outputs);
-  this->CreateGeneratedByproducts(byproducts);
+  this->CreateGeneratedOutputs(byproducts);
 
   // Strings could be moved into the callback function with C++14.
   cm::optional<std::string> commentStr = MakeOptionalString(comment);
@@ -1304,7 +1304,7 @@ cmTarget* cmMakefile::AddUtilityCommand(
   this->GetOrCreateGeneratedSource(force.Name);
 
   // Always create the byproduct sources and mark them generated.
-  this->CreateGeneratedByproducts(byproducts);
+  this->CreateGeneratedOutputs(byproducts);
 
   // Strings could be moved into the callback function with C++14.
   cm::optional<std::string> commentStr = MakeOptionalString(comment);
@@ -3464,16 +3464,6 @@ void cmMakefile::CreateGeneratedOutputs(
   }
 }
 
-void cmMakefile::CreateGeneratedByproducts(
-  const std::vector<std::string>& byproducts)
-{
-  for (std::string const& o : byproducts) {
-    if (cmGeneratorExpression::Find(o) == std::string::npos) {
-      this->GetOrCreateGeneratedSource(o);
-    }
-  }
-}
-
 void cmMakefile::AddTargetObject(std::string const& tgtName,
                                  std::string const& objFile)
 {
diff --git a/Source/cmMakefile.h b/Source/cmMakefile.h
index 01a9274c2a..ecc6aabdde 100644
--- a/Source/cmMakefile.h
+++ b/Source/cmMakefile.h
@@ -1087,7 +1087,6 @@ private:
   bool ValidateCustomCommand(const cmCustomCommandLines& commandLines) const;
 
   void CreateGeneratedOutputs(const std::vector<std::string>& outputs);
-  void CreateGeneratedByproducts(const std::vector<std::string>& byproducts);
 
   std::vector<BT<GeneratorAction>> GeneratorActions;
   bool GeneratorActionsInvoked = false;