diff --git a/package.json b/package.json
index 8491d2f..6f6d581 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   },
   "dependencies": {
     "@chainsafe/bls-keygen": "^0.3.0",
-    "bls-eth-wasm": "^0.4.1"
+    "bls-eth-wasm": "^0.4.4"
   },
   "devDependencies": {
     "@babel/cli": "^7.8.4",
diff --git a/tsconfig.json b/tsconfig.json
index dd24356..a15932d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,11 +4,9 @@
     "target": "esnext",
     "module": "commonjs",
     "pretty": true,
-    "lib": [
-      "esnext.bigint"
-    ],
-    "typeRoots": ["./node_modules/@types", "./types"],
-     "declaration": true,
+    "lib": ["esnext.bigint"],
+    "typeRoots": ["./node_modules/@types"],
+    "declaration": true,
     "strict": true,
     "strictNullChecks": false,
     "esModuleInterop": true
diff --git a/types/bls-eth-wasm/index.d.ts b/types/bls-eth-wasm/index.d.ts
deleted file mode 100644
index 4b92724..0000000
--- a/types/bls-eth-wasm/index.d.ts
+++ /dev/null
@@ -1,97 +0,0 @@
-declare module "bls-eth-wasm" {
-  export class Common {
-    constructor(size: number);
-
-    deserializeHexStr(s: string): void;
-    serializeToHexStr(): string;
-    dump(msg?: string): string;
-    clear(): void;
-    clone(): this;
-    isEqual(rhs: this): boolean;
-    deserialize(v: Uint8Array): void;
-    serialize(): Uint8Array;
-    add(rhs: this): void;
-  }
-
-  export class SecretKeyType extends Common {
-    constructor();
-
-    setInt(x: number): void;
-    isZero(): boolean;
-    setHashOf(a: Uint8Array): void;
-    setLittleEndian(a: Uint8Array): void;
-    setLittleEndianMod(a: Uint8Array): void;
-    setByCSPRNG(): void;
-    getPublicKey(): PublicKeyType;
-    sign(m: string | Uint8Array): SignatureType;
-  }
-
-  export class PublicKeyType extends Common {
-    constructor();
-
-    isZero(): boolean;
-    deserializeUncompressed(s: Uint8Array): void;
-    serializeUncompressed(): Uint8Array;
-    isValidOrder(): boolean;
-    verify(signature: SignatureType, m: Uint8Array | string): boolean;
-  }
-
-  export class SignatureType extends Common {
-    constructor();
-
-    deserializeUncompressed(s: Uint8Array): void;
-    serializeUncompressed(): Uint8Array;
-    isValidOrder(): boolean;
-    aggregate(others: SignatureType[]): boolean;
-    fastAggregateVerify(publicKeys: PublicKeyType[], message: Uint8Array): boolean;
-    aggregateVerifyNoCheck(publicKeys: PublicKeyType[], messages: Uint8Array): boolean;
-  }
-
-  export function init(curveType: CurveType): Promise<void>;
-  export function blsInit(curveType: CurveType): void;
-  export function setETHmode(mode: EthMode): void;
-
-  export function toHex(a: Uint8Array, start: number, length: number): string;
-  export function toHexStr(a: Uint8Array): string;
-  export function fromHexStr(s: string): Uint8Array;
-  export function deserializeHexStrToSecretKey(s: string): SecretKeyType;
-  export function deserializeHexStrToPublicKey(s: string): PublicKeyType;
-  export function deserializeHexStrToSignature(s: string): SignatureType;
-
-  export function getCurveOrder(): string;
-  export function getFieldOrder(): string;
-  export function verifySignatureOrder(doVerify: boolean): void;
-  export function verifyPublicKeyOrder(doVerify: boolean): void;
-
-  /**
-   *
-   * @param msgs single array with concatenated messages
-   * @param msgSize defaults to MSG_SIZE
-   */
-  export function areAllMsgDifferent(msgs: Uint8Array, msgSize?: number): boolean;
-
-  /**
-   * return true if all pub[i].verify(sigs[i], msgs[i])
-   * @param msgs msgs is a concatenation of arrays of 32-byte Uint8Array
-   */
-  export function multiVerify(pubs: PublicKeyType[], sigs: SignatureType[], msgs: Uint8Array[]): boolean;
-
-  export const SecretKey: typeof SecretKeyType;
-  export const PublicKey: typeof PublicKeyType;
-  export const Signature: typeof SignatureType;
-
-  export enum EthMode {
-    DRAFT_07 = 3,
-  }
-
-  export enum CurveType {
-    BN254 = 0,
-    BLS12_381 = 5,
-  }
-
-  export const BN254 = CurveType.BN254;
-  export const BLS12_381 = CurveType.BLS12_381;
-  export const ethMode = true;
-  export const ETH_MODE_DRAFT_07 = EthMode.DRAFT_07;
-  export const MSG_SIZE = 32;
-}
diff --git a/yarn.lock b/yarn.lock
index fb7d8a9..9c3d741 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1488,10 +1488,10 @@ blob@0.0.5:
   resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.5.tgz#d680eeef25f8cd91ad533f5b01eed48e64caf683"
   integrity sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig==
 
-bls-eth-wasm@^0.4.1:
-  version "0.4.1"
-  resolved "https://registry.yarnpkg.com/bls-eth-wasm/-/bls-eth-wasm-0.4.1.tgz#7a1bac9d36f117ad4a8c7e741d667b51a6c31e68"
-  integrity sha512-BBM+t/RNZSOZKiLmz+wmz58kzK9CDjH6K2o2QuUKUkJNUaDo8g4vsqay0SvbmxinhpSxL/epkVel9+KNXcFnlw==
+bls-eth-wasm@^0.4.4:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/bls-eth-wasm/-/bls-eth-wasm-0.4.4.tgz#3d4c99f8ddee6df23e188dc756125268a0f4d525"
+  integrity sha512-S6XwscKuxxYTANHZX8tZQxZKvj9IhG3aOCEuy1EnNdsAOfuH2pdRIgWrORwpKd4SLdvmPWap9I+TbJRnFx1Yng==
 
 bluebird@^3.3.0, bluebird@^3.5.5:
   version "3.7.2"