diff --git a/src/main/java/com/refinedmods/refinedstorage/render/model/PortableGridBakedModel.java b/src/main/java/com/refinedmods/refinedstorage/render/model/PortableGridBakedModel.java
index da7bb8750..ae0cda059 100644
--- a/src/main/java/com/refinedmods/refinedstorage/render/model/PortableGridBakedModel.java
+++ b/src/main/java/com/refinedmods/refinedstorage/render/model/PortableGridBakedModel.java
@@ -16,6 +16,7 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.util.Direction;
 import net.minecraft.world.World;
 
+import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.util.ArrayList;
 import java.util.List;
@@ -35,7 +36,7 @@ public class PortableGridBakedModel extends DelegateBakedModel {
     private final LoadingCache<CacheKey, List<BakedQuad>> cache = CacheBuilder.newBuilder().build(new CacheLoader<CacheKey, List<BakedQuad>>() {
         @Override
         @SuppressWarnings("deprecation")
-        public List<BakedQuad> load(CacheKey key) {
+        public List<BakedQuad> load(@Nonnull CacheKey key) {
             List<BakedQuad> quads = new ArrayList<>();
 
             if (key.active) {
diff --git a/src/main/java/com/refinedmods/refinedstorage/render/model/TRSRBakedModel.java b/src/main/java/com/refinedmods/refinedstorage/render/model/TRSRBakedModel.java
index 887228429..d1bdeb8d3 100644
--- a/src/main/java/com/refinedmods/refinedstorage/render/model/TRSRBakedModel.java
+++ b/src/main/java/com/refinedmods/refinedstorage/render/model/TRSRBakedModel.java
@@ -59,7 +59,7 @@ public class TRSRBakedModel implements IBakedModel {
     @Nonnull
     @Override
     @SuppressWarnings("deprecation")
-    public List<BakedQuad> getQuads(BlockState state, Direction side, Random rand) {
+    public List<BakedQuad> getQuads(BlockState state, Direction side, @Nonnull Random rand) {
         ImmutableList.Builder<BakedQuad> quads = ImmutableList.builder();
 
         if (side != null && side.getHorizontalIndex() > -1) {
diff --git a/src/main/java/com/refinedmods/refinedstorage/util/RenderUtils.java b/src/main/java/com/refinedmods/refinedstorage/util/RenderUtils.java
index 0a83bcf5f..aa06dcf4a 100644
--- a/src/main/java/com/refinedmods/refinedstorage/util/RenderUtils.java
+++ b/src/main/java/com/refinedmods/refinedstorage/util/RenderUtils.java
@@ -229,7 +229,7 @@ public final class RenderUtils {
 
             IRenderTypeBuffer.Impl renderType = IRenderTypeBuffer.getImpl(Tessellator.getInstance().getBuffer());
             MatrixStack textStack = new MatrixStack();
-            textStack.translate(0.0D, 0.0D, (double) zLevel);
+            textStack.translate(0.0D, 0.0D, zLevel);
             Matrix4f textLocation = textStack.getLast().getMatrix();
 
             int tooltipTop = tooltipY;
@@ -260,7 +260,7 @@ public final class RenderUtils {
 
                     // FontRenderer#drawStringWithShadow - call to func_228078_a_ (private)
                     MatrixStack smallTextStack = new MatrixStack();
-                    smallTextStack.translate(0.0D, 0.0D, (double) zLevel);
+                    smallTextStack.translate(0.0D, 0.0D, zLevel);
                     smallTextStack.scale(textScale, textScale, 1);
 
                     IRenderTypeBuffer.Impl lvt_7_1_ = IRenderTypeBuffer.getImpl(Tessellator.getInstance().getBuffer());