diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index 2f2fb3b76..3651da685 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -3928,7 +3928,7 @@ PropertyType checkInterfacePropertyCompatibility(cmGeneratorTarget const* tgt,
                                   .find(p)
                                   != tgt->Target->GetProperties().end();
   const bool impliedByUse =
-          tgt->Target->IsNullImpliedByLinkLibraries(p);
+          tgt->IsNullImpliedByLinkLibraries(p);
   assert((impliedByUse ^ explicitlySet)
       || (!impliedByUse && !explicitlySet));
 
@@ -5045,6 +5045,14 @@ cmGeneratorTarget::GetLinkImplementationLibrariesInternal(
   return &impl;
 }
 
+//----------------------------------------------------------------------------
+bool
+cmGeneratorTarget::IsNullImpliedByLinkLibraries(const std::string &p) const
+{
+  return this->LinkImplicitNullProperties.find(p)
+      != this->LinkImplicitNullProperties.end();
+}
+
 //----------------------------------------------------------------------------
 void cmGeneratorTarget::ComputeLinkImplementationLibraries(
   const std::string& config,
@@ -5130,7 +5138,7 @@ void cmGeneratorTarget::ComputeLinkImplementationLibraries(
       {
       if (!this->GetProperty(*it))
         {
-        this->Target->LinkImplicitNullProperties.insert(*it);
+        this->LinkImplicitNullProperties.insert(*it);
         }
       }
     cge->GetMaxLanguageStandard(this->Target,
diff --git a/Source/cmGeneratorTarget.h b/Source/cmGeneratorTarget.h
index 77d3b996b..f0f6d4186 100644
--- a/Source/cmGeneratorTarget.h
+++ b/Source/cmGeneratorTarget.h
@@ -317,6 +317,8 @@ public:
   typedef std::map<std::string, CompileInfo> CompileInfoMapType;
   mutable CompileInfoMapType CompileInfoMap;
 
+  bool IsNullImpliedByLinkLibraries(const std::string &p) const;
+
   /** Get the name of the compiler pdb file for the target.  */
   std::string GetCompilePDBName(const std::string& config="") const;
 
@@ -486,6 +488,7 @@ private:
   std::vector<TargetPropertyEntry*> CompileFeaturesEntries;
   std::vector<TargetPropertyEntry*> CompileDefinitionsEntries;
   std::vector<TargetPropertyEntry*> SourceEntries;
+  mutable std::set<std::string> LinkImplicitNullProperties;
 
   void ExpandLinkItems(std::string const& prop, std::string const& value,
                        std::string const& config, cmTarget const* headTarget,
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index c20ce8363..af7fe2eaa 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -2553,13 +2553,6 @@ const char* cmTarget::GetExportMacro() const
     }
 }
 
-//----------------------------------------------------------------------------
-bool cmTarget::IsNullImpliedByLinkLibraries(const std::string &p) const
-{
-  return this->LinkImplicitNullProperties.find(p)
-      != this->LinkImplicitNullProperties.end();
-}
-
 //----------------------------------------------------------------------------
 void
 cmTarget::GetObjectLibrariesCMP0026(std::vector<cmTarget*>& objlibs) const
diff --git a/Source/cmTarget.h b/Source/cmTarget.h
index dda538414..a3a8063d7 100644
--- a/Source/cmTarget.h
+++ b/Source/cmTarget.h
@@ -326,8 +326,6 @@ public:
 
   void AppendBuildInterfaceIncludes();
 
-  bool IsNullImpliedByLinkLibraries(const std::string &p) const;
-
   std::string GetDebugGeneratorExpressions(const std::string &value,
                                   cmTarget::LinkLibraryType llt) const;
 
@@ -439,7 +437,6 @@ private:
   std::set<std::string> SystemIncludeDirectories;
   std::set<std::string> LinkDirectoriesEmmitted;
   std::set<std::string> Utilities;
-  mutable std::set<std::string> LinkImplicitNullProperties;
   std::map<std::string, cmListFileBacktrace> UtilityBacktraces;
   cmPolicies::PolicyMap PolicyMap;
   std::string Name;