diff --git a/source/glest_game/types/unit_type.cpp b/source/glest_game/types/unit_type.cpp
index f8733066..fad97b97 100644
--- a/source/glest_game/types/unit_type.cpp
+++ b/source/glest_game/types/unit_type.cpp
@@ -1272,7 +1272,9 @@ void UnitType::sortCommandTypes(CommandTypes cts){
 		
 		//Cores
 		for(auto &&cc : CommandHelper::getCoresCC()){
-				CommandTypeFilter(cts, ctCores, cc);
+			std::copy_if(cts.begin(), cts.end(), std::back_inserter(ctCores), [cc](CommandType* i) {
+				return i->getClass() == cc;
+			});
 		}
 		int nullCount = 4 - ctCores.size();
 		for(int i=0; i<nullCount; i++){
@@ -1301,14 +1303,6 @@ void UnitType::sortCommandTypes(CommandTypes cts){
 	}
 }
 
-void UnitType::CommandTypeFilter(CommandTypes &input, CommandTypes &output, CommandClass cc){
-	std::copy_if(input.begin(), input.end(), std::back_inserter(output), [cc](CommandType* i) {
-		if(i->getClass() == cc)
-			return true;
-		else return false;
-	});
-}
-
 const CommandType* UnitType::findCommandTypeById(int id) const{
 	const HarvestEmergencyReturnCommandType *result = dynamic_cast<const HarvestEmergencyReturnCommandType *>(ctHarvestEmergencyReturnCommandType.get());
 	if(result != NULL && id == result->getId()) {
diff --git a/source/glest_game/types/unit_type.h b/source/glest_game/types/unit_type.h
index 53e766a2..91f5304d 100644
--- a/source/glest_game/types/unit_type.h
+++ b/source/glest_game/types/unit_type.h
@@ -365,7 +365,6 @@ private:
     void computeFirstStOfClass();
     void computeFirstCtOfClass();
     void sortCommandTypes(CommandTypes cts);
-	void CommandTypeFilter(CommandTypes &input, CommandTypes &output, CommandClass cc);
 };
 
 /**