diff --git a/src/hll/ChipmunkSpriteEngine.c b/src/hll/ChipmunkSpriteEngine.c
index b44f96d..c656578 100644
--- a/src/hll/ChipmunkSpriteEngine.c
+++ b/src/hll/ChipmunkSpriteEngine.c
@@ -111,8 +111,8 @@ HLL_WARN_UNIMPLEMENTED(0, int,  ChipmunkSpriteEngine, SP_SetBrightness, int sp_n
 HLL_WARN_UNIMPLEMENTED(0, int,  ChipmunkSpriteEngine, SP_GetBrightness, int sp_no);
 
 static bool keep_previous_view = true;
-HLL_WARN_UNIMPLEMENTED((keep_previous_view = on, true), bool, ChipmunkSpriteEngine, KeepPreviousView_SetMode, bool on);
-HLL_WARN_UNIMPLEMENTED(keep_previous_view, bool, ChipmunkSpriteEngine, KeepPreviousView_GetMode);
+HLL_QUIET_UNIMPLEMENTED((keep_previous_view = on, true), bool, ChipmunkSpriteEngine, KeepPreviousView_SetMode, bool on);
+HLL_QUIET_UNIMPLEMENTED(keep_previous_view, bool, ChipmunkSpriteEngine, KeepPreviousView_GetMode);
 HLL_QUIET_UNIMPLEMENTED(false, bool, ChipmunkSpriteEngine, KeepPreviousView);
 
 static void ChipmunkSpriteEngine_Sleep(void)
diff --git a/src/hll/StoatSpriteEngine.c b/src/hll/StoatSpriteEngine.c
index cd9b1b9..11e92e6 100644
--- a/src/hll/StoatSpriteEngine.c
+++ b/src/hll/StoatSpriteEngine.c
@@ -188,8 +188,8 @@ float StoatSpriteEngine_FPS_Get(void)
 HLL_WARN_UNIMPLEMENTED( , void, StoatSpriteEngine, VIEW_SetOffsetPos, int x, int y);
 
 static bool keep_previous_view = true;
-HLL_WARN_UNIMPLEMENTED((keep_previous_view = on, true), bool, StoatSpriteEngine, KeepPreviousView_SetMode, bool on);
-HLL_WARN_UNIMPLEMENTED(keep_previous_view, bool, StoatSpriteEngine, KeepPreviousView_GetMode);
+HLL_QUIET_UNIMPLEMENTED((keep_previous_view = on, true), bool, StoatSpriteEngine, KeepPreviousView_SetMode, bool on);
+HLL_QUIET_UNIMPLEMENTED(keep_previous_view, bool, StoatSpriteEngine, KeepPreviousView_GetMode);
 
 /*
  * NOTE: The multisprite "type" alters the behavior of the multisprite functions.