diff --git a/Spigot-Server-Patches/0131-16w14a-memory-cleanup.patch b/Spigot-Server-Patches/0131-16w14a-memory-cleanup.patch
new file mode 100644
index 0000000000..bd76d039d6
--- /dev/null
+++ b/Spigot-Server-Patches/0131-16w14a-memory-cleanup.patch
@@ -0,0 +1,62 @@
+From 20d29320370506bfbb1b409bda2102a82a671168 Mon Sep 17 00:00:00 2001
+From: Zach Brown <zach.brown@destroystokyo.com>
+Date: Thu, 7 Apr 2016 18:28:06 -0500
+Subject: [PATCH] 16w14a memory cleanup
+
+
+diff --git a/src/main/java/net/minecraft/server/PathfinderAbstract.java b/src/main/java/net/minecraft/server/PathfinderAbstract.java
+index 51f3758..9f5216e 100644
+--- a/src/main/java/net/minecraft/server/PathfinderAbstract.java
++++ b/src/main/java/net/minecraft/server/PathfinderAbstract.java
+@@ -23,7 +23,11 @@ public abstract class PathfinderAbstract {
+         this.f = MathHelper.d(entityinsentient.width + 1.0F);
+     }
+ 
+-    public void a() { this.a = (IBlockAccess) null; } // CraftBukkit - don't leak Chunk Cache
++    // Paper start - 16w14a backports
++    public void a() {
++        this.a = (IBlockAccess) null; // CraftBukkit - don't leak Chunk Cache
++        this.b = null;
++    }
+ 
+     protected PathPoint a(int i, int j, int k) {
+         int l = PathPoint.b(i, j, k);
+diff --git a/src/main/java/net/minecraft/server/PathfinderNormal.java b/src/main/java/net/minecraft/server/PathfinderNormal.java
+index 0e4fa08..4f1df46 100644
+--- a/src/main/java/net/minecraft/server/PathfinderNormal.java
++++ b/src/main/java/net/minecraft/server/PathfinderNormal.java
+@@ -16,8 +16,8 @@ public class PathfinderNormal extends PathfinderAbstract {
+     }
+ 
+     public void a() {
+-        super.a();
+         this.b.a(PathType.WATER, this.j);
++        super.a(); // Paper - 16w14a backports
+     }
+ 
+     public PathPoint b() {
+diff --git a/src/main/java/net/minecraft/server/PathfinderWater.java b/src/main/java/net/minecraft/server/PathfinderWater.java
+index dc7f310..c1df684 100644
+--- a/src/main/java/net/minecraft/server/PathfinderWater.java
++++ b/src/main/java/net/minecraft/server/PathfinderWater.java
+@@ -4,6 +4,8 @@ public class PathfinderWater extends PathfinderAbstract {
+ 
+     public PathfinderWater() {}
+ 
++    // Paper start - 16w14a backports
++    /*
+     public void a(IBlockAccess iblockaccess, EntityInsentient entityinsentient) {
+         super.a(iblockaccess, entityinsentient);
+     }
+@@ -11,6 +13,8 @@ public class PathfinderWater extends PathfinderAbstract {
+     public void a() {
+         super.a();
+     }
++    */
++    // Paper end
+ 
+     public PathPoint b() {
+         return this.a(MathHelper.floor(this.b.getBoundingBox().a), MathHelper.floor(this.b.getBoundingBox().b + 0.5D), MathHelper.floor(this.b.getBoundingBox().c));
+-- 
+2.8.0
+
diff --git a/scripts/importmcdev.sh b/scripts/importmcdev.sh
index 638a7e70c7..e708c2990e 100755
--- a/scripts/importmcdev.sh
+++ b/scripts/importmcdev.sh
@@ -60,6 +60,8 @@ import PacketPlayOutTitle
 import PacketPlayOutUpdateTime
 import PathfinderAbstract
 import PathfinderGoalFloat
+import PathfinderNormal
+import PathfinderWater
 import PersistentVillage
 import TileEntityEnderChest
 import WorldProvider