diff --git a/src/main/java/net/fabricmc/fabric/FabricAPI.java b/src/main/java/net/fabricmc/fabric/FabricAPI.java
index 73f809798..4a57e4132 100644
--- a/src/main/java/net/fabricmc/fabric/FabricAPI.java
+++ b/src/main/java/net/fabricmc/fabric/FabricAPI.java
@@ -33,11 +33,6 @@ import java.util.List;
 public class FabricAPI implements ModInitializer {
 	@Override
 	public void onInitialize() {
-		List<String> ss = null;
-		for (String s : ss) {
-			s.length();
-		}
-
 		PlayerInteractionEvent.BREAK_BLOCK.register((player, world, hand, pos, facing) -> {
 			BlockState state = world.getBlockState(pos);
 			if (state instanceof BreakInteractable) {
diff --git a/src/main/java/net/fabricmc/fabric/client/render/BlockEntityRendererRegistry.java b/src/main/java/net/fabricmc/fabric/client/render/BlockEntityRendererRegistry.java
index e8f73c5e7..d9c99bb1f 100644
--- a/src/main/java/net/fabricmc/fabric/client/render/BlockEntityRendererRegistry.java
+++ b/src/main/java/net/fabricmc/fabric/client/render/BlockEntityRendererRegistry.java
@@ -28,7 +28,7 @@ import java.util.Map;
  */
 public class BlockEntityRendererRegistry {
 	public static final BlockEntityRendererRegistry INSTANCE = new BlockEntityRendererRegistry();
-	private Map<Class<? extends BlockEntity>, BlockEntityRenderer<? extends BlockEntity>> renderers;
+	private Map<Class<? extends BlockEntity>, BlockEntityRenderer<? extends BlockEntity>> renderers = null;
 	private Map<Class<? extends BlockEntity>, BlockEntityRenderer<? extends BlockEntity>> renderersTmp = new HashMap<>();
 
 	private BlockEntityRendererRegistry() {