diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index 90a800fa79..e39a07b2d5 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -3526,7 +3526,7 @@ void AActor::Tick ()
 				sector_t *sec = node->m_sector;
 				DVector2 scrollv;
 
-				if (level.Scrolls.Size() > (sec-sectors))
+				if (level.Scrolls.Size() > unsigned(sec-sectors))
 				{
 					scrollv = level.Scrolls[sec - sectors];
 				}
diff --git a/src/serializer.cpp b/src/serializer.cpp
index 47e096b7ba..a4714292a6 100644
--- a/src/serializer.cpp
+++ b/src/serializer.cpp
@@ -821,7 +821,6 @@ void FSerializer::WriteObjects()
 		for (unsigned i = 0; i < w->mDObjects.Size(); i++)
 		{
 			auto obj = w->mDObjects[i];
-			player_t *player;
 
 			BeginObject(nullptr);
 			w->Key("classtype");
diff --git a/wadsrc/static/actors/actor.txt b/wadsrc/static/actors/actor.txt
index fc73b02f38..713e1497f9 100644
--- a/wadsrc/static/actors/actor.txt
+++ b/wadsrc/static/actors/actor.txt
@@ -218,7 +218,7 @@ ACTOR Actor native //: Thinker
 	native void A_LogInt(int whattoprint);
 	native void A_LogFloat(float whattoprint);
 	native void A_SetTranslucent(float alpha, int style = 0);
-	native void A_SetRenderStyle(float alpha, int style = 0);
+	native void A_SetRenderStyle(float alpha, int style);
 	action native A_FadeIn(float reduce = 0.1, int flags = 0);
 	action native A_FadeOut(float reduce = 0.1, int flags = 1); //bool remove == true
 	native void A_FadeTo(float target, float amount = 0.1, int flags = 0);