Deleted redundant null checks

src/main/java/appeng/parts/CableBusContainer.java

@@ -247,7 +247,7 @@ public class CableBusContainer extends CableBusStorage implements AEMultiTile, I
 							if ( sbp != null )
 							{
 								IGridNode sn = sbp.getGridNode();
-								if ( sn != null && cn != null )
+								if ( sn != null )
 								{
 									try
 									{
@@ -574,8 +574,7 @@ public class CableBusContainer extends CableBusStorage implements AEMultiTile, I
 				data.writeShort( Item.getIdFromItem( is.getItem() ) );
 				data.writeShort( is.getItemDamage() );
 
-				if ( p != null )
-					p.writeToStream( data );
+				p.writeToStream( data );
 			}
 		}
 
@@ -921,7 +920,7 @@ public class CableBusContainer extends CableBusStorage implements AEMultiTile, I
 				}
 			}
 
-			if ( facades != null && !facades.isEmpty() )
+			if ( !facades.isEmpty() )
 			{
 				TileEntity te = tcb.getTile();
 				Platform.spawnDrops( te.getWorldObj(), te.xCoord, te.yCoord, te.zCoord, facades );

src/main/java/appeng/parts/PartPlacement.java

@@ -162,7 +162,7 @@ public class PartPlacement
 						if ( host.isEmpty() )
 							host.cleanup();
 
-						if ( is != null && !is.isEmpty() )
+						if ( !is.isEmpty() )
 						{
 							Platform.spawnDrops( world, x, y, z, is );
 						}

src/main/java/appeng/parts/automation/PartAnnihilationPlane.java

@@ -254,7 +254,7 @@ public class PartAnnihilationPlane extends PartBasicState implements IGridTickab
 
 				if ( !ignore )
 				{
-					if ( !w.isAirBlock( x, y, z ) && w.blockExists( x, y, z ) && blk != null && w.canMineBlock( Platform.getPlayer( w ), x, y, z ) )
+					if ( !w.isAirBlock( x, y, z ) && w.blockExists( x, y, z ) && w.canMineBlock( Platform.getPlayer( w ), x, y, z ) )
 					{
 						float hardness = blk.getBlockHardness( w, x, y, z );
 						if ( hardness >= 0.0 )

src/main/java/appeng/parts/layers/LayerISidedInventory.java

@@ -59,8 +59,6 @@ public class LayerISidedInventory extends LayerBase implements ISidedInventory
 		if ( inventories.isEmpty() || slotCount == 0 )
 		{
 			inventories = null;
-			sideData = null;
-			slots = null;
 		}
 		else
 		{