diff --git a/core/src/main/java/mc/core/utils/CompactedCoords.java b/core/src/main/java/mc/core/utils/CompactedCoords.java
index 43daef0..cac3db6 100644
--- a/core/src/main/java/mc/core/utils/CompactedCoords.java
+++ b/core/src/main/java/mc/core/utils/CompactedCoords.java
@@ -25,18 +25,4 @@ public class CompactedCoords {
         int i = (int)value;
         return value < (double)i ? i - 1 : i;
     }
-
-    public static long compressXYZ(double x, double y, double z) {
-        return ((floor_double(x) & 0x3FFFFFF) << 38)
-                | ((floor_double(y) & 0xFFF) << 26)
-                | (floor_double(z) & 0x3FFFFFF);
-    }
-
-    public static double[] uncompressXYZ(long compactValue) {
-        return new double[]{
-                compactValue >> 38,
-                (compactValue >> 26) & 0x0FFF,
-                compactValue << 38 >> 38 // is normal?
-        };
-    }
 }
diff --git a/core/src/test/java/mc/core/utils/TestCompactedCoords.java b/core/src/test/java/mc/core/utils/TestCompactedCoords.java
index bced6f2..b357cef 100644
--- a/core/src/test/java/mc/core/utils/TestCompactedCoords.java
+++ b/core/src/test/java/mc/core/utils/TestCompactedCoords.java
@@ -2,7 +2,6 @@ package mc.core.utils;
 
 import org.junit.Test;
 
-import java.util.Random;
 import java.util.concurrent.ThreadLocalRandom;
 
 import static org.junit.Assert.assertEquals;
@@ -24,20 +23,4 @@ public class TestCompactedCoords {
             assertEquals(z, xz[1]);
         }
     }
-
-//    @Test
-    public void testXYZSimple() {
-        for (int z = -100; z <= 100; z++) {
-            for (int x = -100; x <= 100; x++) {
-                for (int y = -100; y <= 100; y++) {
-                    long compressXYZ = CompactedCoords.compressXYZ(x, y, z);
-                    double[] xyz = CompactedCoords.uncompressXYZ(compressXYZ);
-
-                    assertEquals(x, xyz[0], 0.001d);
-                    assertEquals(y, xyz[1], 0.001d);
-                    assertEquals(z, xyz[2], 0.001d);
-                }
-            }
-        }
-    }
 }
diff --git a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerBlockPlacementPacket.java b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerBlockPlacementPacket.java
index 3586c01..c40fffd 100644
--- a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerBlockPlacementPacket.java
+++ b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerBlockPlacementPacket.java
@@ -2,6 +2,7 @@ package mc.core.network.proto_1_12_2.packets;
 
 import lombok.Getter;
 import lombok.ToString;
+import mc.core.network.proto_1_12_2.serializers.BlockLocationSerializer;
 import mc.core.world.block.BlockLocation;
 import mc.core.network.CSPacket;
 import mc.core.network.NetInputStream;
@@ -20,8 +21,7 @@ public class PlayerBlockPlacementPacket implements CSPacket {
     @Override
     public void readSelf(NetInputStream netStream) {
         long compactedCoords = netStream.readLong();
-        double[] xyz = CompactedCoords.uncompressXYZ(compactedCoords);
-        location = new BlockLocation((int)xyz[0], (int)xyz[1], (int)xyz[2]); //FIXME
+        location = BlockLocationSerializer.fromLong(compactedCoords);
         face = Direction.getById(netStream.readVarInt());
         hand = (netStream.readVarInt() == 1);
         cursorX = netStream.readFloat();
diff --git a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerDiggingPacket.java b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerDiggingPacket.java
index 2081e7c..9ce0dc9 100644
--- a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerDiggingPacket.java
+++ b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerDiggingPacket.java
@@ -3,6 +3,7 @@ package mc.core.network.proto_1_12_2.packets;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import lombok.ToString;
+import mc.core.network.proto_1_12_2.serializers.BlockLocationSerializer;
 import mc.core.world.block.BlockLocation;
 import mc.core.network.CSPacket;
 import mc.core.network.NetInputStream;
@@ -49,8 +50,7 @@ public class PlayerDiggingPacket implements CSPacket {
     public void readSelf(NetInputStream netStream) {
         status = Status.getById(netStream.readVarInt());
         long compactCoord = netStream.readLong();
-        double[] xyz = CompactedCoords.uncompressXYZ(compactCoord);
-        location = new BlockLocation((int)xyz[0], (int)xyz[1], (int)xyz[2]); //FIXME
+        location = BlockLocationSerializer.fromLong(compactCoord);
         face = Direction.getById(netStream.readByte());
     }
 }