diff --git a/Source/cmSiteNameCommand.cxx b/Source/cmSiteNameCommand.cxx
index da69ec117..c6999a148 100644
--- a/Source/cmSiteNameCommand.cxx
+++ b/Source/cmSiteNameCommand.cxx
@@ -52,7 +52,6 @@ bool cmSiteNameCommand::InitialPass(std::vector<std::string>& args)
     = m_Makefile->GetDefinition("SITE");
   if(cacheValue)
     {
-    m_Makefile->AddDefinition("SITE", cacheValue);
     return true;
     }
   
diff --git a/Source/cmUtilitySourceCommand.cxx b/Source/cmUtilitySourceCommand.cxx
index 7b3dde145..ec996f9d1 100644
--- a/Source/cmUtilitySourceCommand.cxx
+++ b/Source/cmUtilitySourceCommand.cxx
@@ -61,8 +61,6 @@ bool cmUtilitySourceCommand::InitialPass(std::vector<std::string>& args)
      (m_Makefile->GetCacheMajorVersion() != 0 
       && m_Makefile->GetCacheMinorVersion() != 0 ))
     {
-    // Set the makefile's definition with the cache value.
-    m_Makefile->AddDefinition(cacheEntry.c_str(), cacheValue);
     return true;
     }