diff --git a/include/DSGM_object.h b/include/DSGM_object.h
index a4efa89..ae9602f 100644
--- a/include/DSGM_object.h
+++ b/include/DSGM_object.h
@@ -4,6 +4,11 @@
 
 #define DSGM_DEFAULT_BITSHIFT 8
 
+#define DSGM_ValidateObjectInstance(objectInstance); if(objectInstance == DSGM_invalidObjectInstance) {\
+	DSGM_invalidObjectInstance = NULL;\
+	continue;\
+}
+
 struct DSGM_objectInstance;
 
 typedef void (*DSGM_Event)(struct DSGM_objectInstance *me);
@@ -67,6 +72,7 @@ typedef struct {
 #include "DSGM_room.h"
 
 extern void *me;
+DSGM_ObjectInstance *DSGM_invalidObjectInstance;
 
 void DSGM_SetupObjectGroups(DSGM_Room *room, u8 screen, int objectGroupCount);
 void DSGM_SetupObjectInstances(DSGM_ObjectGroup *group, DSGM_Object *object, u8 screen, int objectInstanceCount, ...);
diff --git a/lib/libdsgm.a b/lib/libdsgm.a
index 2dea4c3..1dca0da 100644
Binary files a/lib/libdsgm.a and b/lib/libdsgm.a differ
diff --git a/source/DSGM_object.c b/source/DSGM_object.c
index 30d860a..1e34b8d 100644
--- a/source/DSGM_object.c
+++ b/source/DSGM_object.c
@@ -1,6 +1,7 @@
 #include "DSGM.h"
 
 void *me = NULL;
+DSGM_ObjectInstance *DSGM_invalidObjectInstance = NULL;
 
 void DSGM_SetupObjectGroups(DSGM_Room *room, u8 screen, int objectGroupCount) {
 	room->objectGroupCount[screen] = objectGroupCount;
@@ -211,14 +212,6 @@ DSGM_ObjectInstance *DSGM_CreateObjectInstanceFull(DSGM_Room *room, DSGM_ObjectI
 }
 
 void DSGM_DeleteObjectInstanceFull(DSGM_Room *room, DSGM_ObjectInstance **meP, DSGM_ObjectInstance *objectInstance) {
-	printf("full\n");
-	swiWaitForVBlank();
-	
-	if(objectInstance->object->destroy) {
-		printf("destr i[ here\n");
-		swiWaitForVBlank();
-	}
-	
 	DSGM_ObjectInstanceRelation relation = { 0, 0 };
 	if(meP && *meP) relation = DSGM_GetObjectInstanceRelationFull(room, *meP);
 	
@@ -239,37 +232,19 @@ void DSGM_DeleteObjectInstanceFull(DSGM_Room *room, DSGM_ObjectInstance **meP, D
 	int ID = DSGM_GetObjectInstanceIDFull(room, objectInstance);
 	DSGM_Debug("Deleting object instance with ID %d\n", ID);
 	
-	printf("got ID\n");
-	swiWaitForVBlank();
-	
-	if(objectInstance->object->destroy) {
-		printf("destr part 1\n");
-		swiWaitForVBlank();
-	
-		objectInstance->object->destroy(objectInstance);
-	}
-	
-	printf("destr\n");
-	swiWaitForVBlank();
+	if(objectInstance->object->destroy) objectInstance->object->destroy(objectInstance);
 	
 	DSGM_DeinitObjectInstanceRotScale(objectInstance);
 	
-	printf("rotscaled\n");
-	swiWaitForVBlank();
+	DSGM_invalidObjectInstance = objectInstance;
 	
 	if(ID < group->objectInstanceCount - 1) {
 		DSGM_Debug("Shifting %d object instances for deletion\n", (group->objectInstanceCount - ID - 1));
 		memcpy(&group->objectInstances[ID], &group->objectInstances[ID + 1], (group->objectInstanceCount - ID - 1) * sizeof(DSGM_ObjectInstance));
 	}
 	
-	printf("shifted\n");
-	swiWaitForVBlank();
-	
 	group->objectInstances = realloc(group->objectInstances, --group->objectInstanceCount * sizeof(DSGM_ObjectInstance));
 	
-	printf("re\n");
-	swiWaitForVBlank();
-	
 	if(spriteNumbersChange) {
 		int i;
 		for(i = 0; i < 128; i++) {	
diff --git a/source/DSGM_room.c b/source/DSGM_room.c
index 35ef232..578bfef 100644
--- a/source/DSGM_room.c
+++ b/source/DSGM_room.c
@@ -131,11 +131,13 @@ void DSGM_LoopRoom(DSGM_Room *room) {
 				
 				if(objectInstance->object->loop) objectInstance->object->loop(objectInstance);
 				DSGM_ValidateRoom();
+				DSGM_ValidateObjectInstance(objectInstance);
 				
 				if(screen == DSGM_BOTTOM && objectInstance->object->touch) {
 					if(DSGM_newpress.Stylus && DSGM_StylusOverObjectInstanceFull(room, objectInstance)) {
 						objectInstance->object->touch(objectInstance);
 						DSGM_ValidateRoom();
+						DSGM_ValidateObjectInstance(objectInstance);
 					}
 				}
 				
@@ -147,6 +149,7 @@ void DSGM_LoopRoom(DSGM_Room *room) {
 						if(DSGM_ObjectInstanceCollision(objectInstance, &colliderGroup->objectInstances[collider])) {
 							objectInstance->object->collisionEvents[collisionEvent].function(objectInstance, &colliderGroup->objectInstances[collider]);
 							DSGM_ValidateRoom();
+							DSGM_ValidateObjectInstance(objectInstance);
 						}
 					}
 				}