diff --git a/src/game/game_00c490.c b/src/game/game_00c490.c
index 73a1f679a..04205a8b1 100644
--- a/src/game/game_00c490.c
+++ b/src/game/game_00c490.c
@@ -1380,7 +1380,7 @@ void weaponAssignToHome(struct weaponobj *weapon, u32 arg1)
 	} else {
 		bool giveweapon = true;
 
-		if (g_Vars.normmplayerisrunning || g_Vars.unk00031c) {
+		if (g_Vars.normmplayerisrunning || g_Vars.lvmpbotlevel) {
 			struct mpweapon *mpweapon;
 			s32 mpweaponnum;
 
diff --git a/src/game/game_01bea0.c b/src/game/game_01bea0.c
index 2a88bb68c..feb8a9a90 100644
--- a/src/game/game_01bea0.c
+++ b/src/game/game_01bea0.c
@@ -2463,7 +2463,7 @@ glabel var7f1a863c
 //					mpSetPaused(0);
 //					g_Vars.mplayerisrunning = false;
 //					g_Vars.normmplayerisrunning = false;
-//					g_Vars.unk00031c = 0;
+//					g_Vars.lvmpbotlevel = 0;
 //
 //					if (g_MpSetupSaveFile.locktype == MPLOCKTYPE_CHALLENGE) {
 //						g_MpSetupSaveFile.locktype = MPLOCKTYPE_NONE;
@@ -2488,7 +2488,7 @@ glabel var7f1a863c
 //					mpSetPaused(0);
 //					g_Vars.mplayerisrunning = false;
 //					g_Vars.normmplayerisrunning = false;
-//					g_Vars.unk00031c = 0;
+//					g_Vars.lvmpbotlevel = 0;
 //					titleSetNextStage(STAGE_CITRAINING);
 //					setNumPlayers(1);
 //					titleSetNextMode(TITLEMODE_SKIP);
diff --git a/src/game/game_167ae0.c b/src/game/game_167ae0.c
index 3ea237bbb..6bc2d675d 100644
--- a/src/game/game_167ae0.c
+++ b/src/game/game_167ae0.c
@@ -423,7 +423,7 @@ void func0f167e7c(s32 stagenum)
 		setCurrentPlayerNum(0);
 	}
 
-	if (g_Vars.unk00031c) {
+	if (g_Vars.lvmpbotlevel) {
 		func0f187e70();
 	}
 
@@ -438,7 +438,7 @@ void func0f167e7c(s32 stagenum)
 		func0f10cb2c();
 	}
 
-	if (g_Is4Mb != true) {
+	if (!IS4MB()) {
 		func0f14a3c4();
 	}
 
diff --git a/src/game/propobj.c b/src/game/propobj.c
index b06df9dd5..d05016446 100644
--- a/src/game/propobj.c
+++ b/src/game/propobj.c
@@ -32028,7 +32028,7 @@ void propobjSetDropped(struct prop *prop, u32 reason)
 			obj->unk48->dropreason = reason;
 		}
 
-		if (g_Vars.unk00031c
+		if (g_Vars.lvmpbotlevel
 				&& obj->type == OBJTYPE_WEAPON
 				&& obj->modelnum != MODEL_CHRBRIEFCASE
 				&& obj->modelnum != MODEL_CHRDATATHIEF) {
diff --git a/src/lib/lib_0d520.c b/src/lib/lib_0d520.c
index 1f110f831..952f6a5de 100644
--- a/src/lib/lib_0d520.c
+++ b/src/lib/lib_0d520.c
@@ -644,7 +644,6 @@ void mainLoop(void)
 	OSMesg msg;
 	s32 index;
 	s32 numplayers;
-	s32 stagenum;
 
 	func0f175f98();
 
diff --git a/src/lib/lib_15860.c b/src/lib/lib_15860.c
index 564666f53..fc0a60973 100644
--- a/src/lib/lib_15860.c
+++ b/src/lib/lib_15860.c
@@ -16,7 +16,7 @@ void initGlobalVariables(void)
 	g_Vars.diffframe60f = 1;
 	g_Vars.lvframe60 = 0;
 	g_Vars.lvframenum = 0;
-	g_Vars.unk00031c = 0;
+	g_Vars.lvmpbotlevel = 0;
 	g_Vars.unk000320 = 0;
 	g_Vars.diffframe60 = 1;
 	g_Vars.lastframe240 = -1;