diff --git a/common/src/main/java/fr/username404/snowygui/mixins/KeyMappings.java b/common/src/main/java/fr/username404/snowygui/mixins/KeyMappings.java
index b650050..88c2318 100644
--- a/common/src/main/java/fr/username404/snowygui/mixins/KeyMappings.java
+++ b/common/src/main/java/fr/username404/snowygui/mixins/KeyMappings.java
@@ -15,8 +15,6 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import java.io.File;
 import java.util.Collection;
-import java.util.List;
-import java.util.Map;
 import java.util.Optional;
 
 @Mixin(Options.class)
@@ -27,8 +25,8 @@ abstract class KeyMappings {
 
 	@Inject(method = "<init>*", at = @At("RETURN"))
 	private void onSettingsConstructed(Minecraft minecraft, File file, CallbackInfo ci) {
-		Map<String, Integer> categoryMap = KeysAccessor.getSortedCategoryMap();
-		List<KeyMapping> newKeys = Lists.newArrayList(keyMappings);
+		var categoryMap = KeysAccessor.getSortedCategoryMap();
+		var newKeys = Lists.newArrayList(keyMappings);
 		for (KeyMapping key : keysToAdd) {
 			if (!categoryMap.containsKey(key.getCategory())) {
 				Optional<Integer> biggest = categoryMap.values().stream().max(Integer::compareTo);