diff --git a/types/node/index.d.ts b/types/node/index.d.ts
index 9a9fc544e2..eb8a180685 100644
--- a/types/node/index.d.ts
+++ b/types/node/index.d.ts
@@ -263,9 +263,9 @@ interface Buffer extends Uint8Array {
     write(string: string, offset?: number, length?: number, encoding?: string): number;
     toString(encoding?: string, start?: number, end?: number): string;
     toJSON(): { type: 'Buffer', data: any[] };
-    equals(otherBuffer: Buffer): boolean;
-    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
-    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    equals(otherBuffer: Uint8Array): boolean;
+    compare(otherBuffer: Uint8Array, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Uint8Array, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
     slice(start?: number, end?: number): Buffer;
     writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
     writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
@@ -307,8 +307,8 @@ interface Buffer extends Uint8Array {
     writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
     writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
     fill(value: any, offset?: number, end?: number): this;
-    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
-    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    indexOf(value: string | number | Uint8Array, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Uint8Array, byteOffset?: number, encoding?: string): number;
     entries(): IterableIterator<[number, number]>;
     includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
     keys(): IterableIterator<number>;
@@ -380,7 +380,7 @@ declare var Buffer: {
      * Creates a new Buffer using the passed {data}
      * @param data data to create a new Buffer
      */
-    from(data: any[] | string | Buffer | ArrayBuffer | Uint8Array /*| TypedArray*/): Buffer;
+    from(data: any[] | string | ArrayBuffer | Uint8Array /*| TypedArray*/): Buffer;
     /**
      * Creates a new Buffer containing the given JavaScript string {str}.
      * If provided, the {encoding} parameter identifies the character encoding.
@@ -419,11 +419,11 @@ declare var Buffer: {
      * @param totalLength Total length of the buffers when concatenated.
      *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
      */
-    concat(list: Buffer[], totalLength?: number): Buffer;
+    concat(list: Uint8Array[], totalLength?: number): Buffer;
     /**
      * The same as buf1.compare(buf2).
      */
-    compare(buf1: Buffer, buf2: Buffer): number;
+    compare(buf1: Uint8Array, buf2: Uint8Array): number;
     /**
      * Allocates a new buffer of {size} octets.
      *
diff --git a/types/node/v9/index.d.ts b/types/node/v9/index.d.ts
index a7fea9c48e..62cf6b568c 100644
--- a/types/node/v9/index.d.ts
+++ b/types/node/v9/index.d.ts
@@ -262,9 +262,9 @@ interface Buffer extends Uint8Array {
     write(string: string, offset?: number, length?: number, encoding?: string): number;
     toString(encoding?: string, start?: number, end?: number): string;
     toJSON(): { type: 'Buffer', data: any[] };
-    equals(otherBuffer: Buffer): boolean;
-    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
-    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    equals(otherBuffer: Uint8Array): boolean;
+    compare(otherBuffer: Uint8Array, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Uint8Array, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
     slice(start?: number, end?: number): Buffer;
     writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
     writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
@@ -306,8 +306,8 @@ interface Buffer extends Uint8Array {
     writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
     writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
     fill(value: any, offset?: number, end?: number): this;
-    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
-    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    indexOf(value: string | number | Uint8Array, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Uint8Array, byteOffset?: number, encoding?: string): number;
     entries(): IterableIterator<[number, number]>;
     includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
     keys(): IterableIterator<number>;
@@ -412,11 +412,11 @@ declare var Buffer: {
      * @param totalLength Total length of the buffers when concatenated.
      *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
      */
-    concat(list: Buffer[], totalLength?: number): Buffer;
+    concat(list: Uint8Array[], totalLength?: number): Buffer;
     /**
      * The same as buf1.compare(buf2).
      */
-    compare(buf1: Buffer, buf2: Buffer): number;
+    compare(buf1: Uint8Array, buf2: Uint8Array): number;
     /**
      * Allocates a new buffer of {size} octets.
      *