diff --git a/ClassicalSharp/Map/Formats/NbtFile.cs b/ClassicalSharp/Map/Formats/NbtFile.cs
index 64a1f9394..caab4a8f6 100644
--- a/ClassicalSharp/Map/Formats/NbtFile.cs
+++ b/ClassicalSharp/Map/Formats/NbtFile.cs
@@ -41,8 +41,6 @@ namespace ClassicalSharp.Map {
 		
 		public void Write(NbtTagType v) { writer.Write((byte)v); }
 		
-		public void WriteInt64(long v) { writer.Write(IPAddress.HostToNetworkOrder(v)); }
-		
 		public void WriteInt32(int v) { writer.Write(IPAddress.HostToNetworkOrder(v)); }
 		
 		public void WriteInt16(short v) { writer.Write(IPAddress.HostToNetworkOrder(v)); }
diff --git a/src/Client/Stream.h b/src/Client/Stream.h
index daa77b4e8..ce4e54249 100644
--- a/src/Client/Stream.h
+++ b/src/Client/Stream.h
@@ -94,9 +94,4 @@ void Stream_WriteUInt32_LE(Stream* stream, UInt32 value);
 void Stream_WriteUInt32_BE(Stream* stream, UInt32 value);
 /* Writes a big endian signed 64 bit integer from the given stream. */
 #define Stream_WriteInt32_BE(stream, value) Stream_WriteUInt32_BE(stream, (UInt32)value)
-
-/* Writes a big endian unsigned 64 bit integer from the given stream. */
-void Stream_WriteUInt64_BE(Stream* stream, UInt64 value);
-/* Writes a big endian signed 64 bit integer from the given stream. */
-#define Stream_WriteInt64_BE(stream, value) Stream_WriteUInt64_BE(stream, (UInt64)value)
 #endif
\ No newline at end of file