diff --git a/patches/minecraft/net/minecraft/world/ChunkCache.java.patch b/patches/minecraft/net/minecraft/world/ChunkCache.java.patch
index 8bf965f66..e088306c9 100644
--- a/patches/minecraft/net/minecraft/world/ChunkCache.java.patch
+++ b/patches/minecraft/net/minecraft/world/ChunkCache.java.patch
@@ -49,7 +49,14 @@
      }
  
      /**
-@@ -325,8 +338,8 @@
+@@ -318,15 +331,13 @@
+         return this.worldObj.getWorldVec3Pool();
+     }
+ 
+-    @SideOnly(Side.CLIENT)
+-
+     /**
+      * Returns true if the block at the specified coordinates is empty
       */
      public boolean isAirBlock(int par1, int par2, int par3)
      {
@@ -60,7 +67,7 @@
      }
  
      @SideOnly(Side.CLIENT)
-@@ -449,4 +462,22 @@
+@@ -449,4 +460,22 @@
          int i1 = this.getBlockId(par1, par2, par3);
          return i1 == 0 ? 0 : Block.blocksList[i1].isProvidingStrongPower(this, par1, par2, par3, par4);
      }
diff --git a/patches/minecraft/net/minecraft/world/IBlockAccess.java.patch b/patches/minecraft/net/minecraft/world/IBlockAccess.java.patch
index eddd893e4..a38857bb6 100644
--- a/patches/minecraft/net/minecraft/world/IBlockAccess.java.patch
+++ b/patches/minecraft/net/minecraft/world/IBlockAccess.java.patch
@@ -8,7 +8,16 @@
  
  public interface IBlockAccess
  {
-@@ -103,4 +104,16 @@
+@@ -59,8 +60,6 @@
+      */
+     boolean isBlockNormalCube(int i, int j, int k);
+ 
+-    @SideOnly(Side.CLIENT)
+-
+     /**
+      * Returns true if the block at the specified coordinates is empty
+      */
+@@ -103,4 +102,16 @@
       * Is this block powering in the specified direction Args: x, y, z, direction
       */
      int isBlockProvidingPowerTo(int i, int j, int k, int l);