diff --git a/me/cache/EnergyGridCache.java b/me/cache/EnergyGridCache.java
index 8f4e3436e..ec10670cd 100644
--- a/me/cache/EnergyGridCache.java
+++ b/me/cache/EnergyGridCache.java
@@ -59,7 +59,6 @@ public class EnergyGridCache implements IEnergyGrid
 	/**
 	 * excess power in the system.
 	 */
-	double prev_extra = 0;
 	double extra = 0;
 
 	IAEPowerStorage lastProvider;
diff --git a/util/ItemSorters.java b/util/ItemSorters.java
index a10ee8d49..4a953cbc8 100644
--- a/util/ItemSorters.java
+++ b/util/ItemSorters.java
@@ -34,8 +34,8 @@ public class ItemSorters
 		public int compare(IAEItemStack o1, IAEItemStack o2)
 		{
 			if ( Direction == SortDir.ASCENDING )
-				return Platform.getItemDisplayName( o1 ).toLowerCase().compareTo( Platform.getItemDisplayName( o2 ).toLowerCase() );
-			return Platform.getItemDisplayName( o2 ).toLowerCase().compareTo( Platform.getItemDisplayName( o1 ).toLowerCase() );
+				return Platform.getItemDisplayName( o1 ).compareToIgnoreCase( Platform.getItemDisplayName( o2 ) );
+			return Platform.getItemDisplayName( o2 ).compareToIgnoreCase( Platform.getItemDisplayName( o1 ) );
 		}
 	};