diff --git a/src/utils/UMP.ts b/src/utils/UMP.ts
deleted file mode 100644
index ea18b706..00000000
--- a/src/utils/UMP.ts
+++ /dev/null
@@ -1,60 +0,0 @@
-export interface UMPPart {
-  type: number;
-  size: number;
-  data: Uint8Array;
-}
-
-export default class UMP {
-  buffer: Uint8Array;
-  offset: number;
-
-  constructor(buffer: Uint8Array) {
-    this.buffer = buffer;
-    this.offset = 0;
-  }
-
-  readVarInt(): number {
-    const prefix = this.buffer[this.offset];
-    const size = this.varintSize(prefix);
-    let result = 0;
-    let shift = 0;
-
-    if (size !== 5) {
-      shift = 8 - size;
-      const mask = (1 << shift) - 1;
-      result |= prefix & mask;
-    }
-
-    for (let i = 1; i < size; i++) {
-      const byte = this.buffer[this.offset + i];
-      result |= byte << shift;
-      shift += 8;
-    }
-
-    this.offset += size;
-    return result;
-  }
-
-  varintSize(byte: number): number {
-    let lo = 0;
-    for (let i = 7; i >= 4; i--) {
-      if (byte & (1 << i)) lo++;
-      else break;
-    }
-    return Math.min(lo + 1, 5);
-  }
-
-  parse(): UMPPart[] {
-    const parts = [];
-
-    while (this.offset < this.buffer.length) {
-      const part_type = this.readVarInt();
-      const part_size = this.readVarInt();
-      const part_data = this.buffer.slice(this.offset, this.offset + part_size);
-      this.offset += part_size;
-      parts.push({ type: part_type, size: part_size, data: part_data });
-    }
-
-    return parts;
-  }
-}
\ No newline at end of file
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 7394f22f..1787ee16 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -15,7 +15,4 @@ export * as Utils from './Utils.js';
 export { default as Log } from './Log.js';
 export * as LZW from './LZW.js';
 
-export * as ProtoUtils from './ProtoUtils.js';
-
-export { default as UMP } from './UMP.js';
-export * from './UMP.js';
\ No newline at end of file
+export * as ProtoUtils from './ProtoUtils.js';
\ No newline at end of file