diff --git a/src/engine/behavior_script.c b/src/engine/behavior_script.c
index c31474e7..d1542bb3 100644
--- a/src/engine/behavior_script.c
+++ b/src/engine/behavior_script.c
@@ -905,8 +905,6 @@ static BhvCommandProc BehaviorCmdTable[] = {
 
 // Execute the behavior script of the current object, process the object flags, and other miscellaneous code for updating objects.
 void cur_obj_update(void) {
-    UNUSED u32 unused;
-
     u32 objFlags = gCurrentObject->oFlags;
     f32 distanceFromMario;
     BhvCommandProc bhvCmdProc;
diff --git a/src/engine/level_script.c b/src/engine/level_script.c
index 8cf8300c..7940c50e 100644
--- a/src/engine/level_script.c
+++ b/src/engine/level_script.c
@@ -963,7 +963,7 @@ struct LevelCommand *level_script_execute(struct LevelCommand *cmd) {
     }
 
     profiler_log_thread5_time(LEVEL_SCRIPT_EXECUTE);
-    init_rcp(1);
+    init_rcp(CLEAR_ZBUFFER);
     render_game();
     end_master_display_list();
     alloc_display_list(0);
diff --git a/src/game/game_init.c b/src/game/game_init.c
index 8997558d..491d6a15 100644
--- a/src/game/game_init.c
+++ b/src/game/game_init.c
@@ -382,7 +382,7 @@ void render_init(void) {
     gGfxSPTask = &gGfxPool->spTask;
     gDisplayListHead = gGfxPool->buffer;
     gGfxPoolEnd = (u8 *)(gGfxPool->buffer + GFX_POOL_SIZE);
-    init_rcp(1);
+    init_rcp(CLEAR_ZBUFFER);
     clear_frame_buffer(0);
     end_master_display_list();
     exec_display_list(&gGfxPool->spTask);
diff --git a/src/game/game_init.h b/src/game/game_init.h
index 2a58e917..0c1d170d 100644
--- a/src/game/game_init.h
+++ b/src/game/game_init.h
@@ -24,6 +24,11 @@ struct DemoInput
     u8 buttonMask;
 };
 
+enum ZBmodes {
+    KEEP_ZBUFFER = 0,
+    CLEAR_ZBUFFER = 1,
+};
+
 extern struct Controller gControllers[3];
 extern OSContStatus gControllerStatuses[4];
 extern OSContPad gControllerPads[4];
diff --git a/src/game/rendering_graph_node.c b/src/game/rendering_graph_node.c
index 3e212810..02701875 100644
--- a/src/game/rendering_graph_node.c
+++ b/src/game/rendering_graph_node.c
@@ -169,14 +169,14 @@ static void geo_process_master_list_sub(struct GraphNodeMasterList *node) {
     if (renderPhase == 0 || renderPhase == 2)
     {
         gSPLoadUcodeL(gDisplayListHead++, gspF3DLX2_Rej_fifo);
-        init_rcp(0);
+        init_rcp(KEEP_ZBUFFER);
         gSPClipRatio(gDisplayListHead++, FRUSTRATIO_2);
     }
     else
     if (renderPhase == 1)
     {
         gSPLoadUcodeL(gDisplayListHead++, gspF3DZEX2_PosLight_fifo);
-        init_rcp(0);
+        init_rcp(KEEP_ZBUFFER);
         gSPClipRatio(gDisplayListHead++, FRUSTRATIO_1);
     }
     if (enableZBuffer != 0)
@@ -216,7 +216,7 @@ static void geo_process_master_list_sub(struct GraphNodeMasterList *node) {
     case 1: renderPhase++; j = 1;  i = 5; goto loopBegin;
     }
     gSPLoadUcodeL(gDisplayListHead++, gspF3DZEX2_PosLight_fifo);
-    init_rcp(0);
+    init_rcp(KEEP_ZBUFFER);
     gSPClipRatio(gDisplayListHead++, FRUSTRATIO_1);
 #endif
     if (enableZBuffer != 0)