diff --git a/package-lock.json b/package-lock.json
index 006315a..b4d5844 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@portis/web3",
-  "version": "4.0.3",
+  "version": "4.0.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -732,22 +732,6 @@
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz",
       "integrity": "sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA=="
     },
-    "axios": {
-      "version": "0.18.1",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.1.tgz",
-      "integrity": "sha512-0BfJq4NSfQXd+SkFdrvFbG7addhYSBA2mQwISr46pD6E5iqkWg02RAs8vyTT/j0RTnoYmeXauBuSv1qKwR179g==",
-      "requires": {
-        "follow-redirects": "1.5.10",
-        "is-buffer": "^2.0.2"
-      },
-      "dependencies": {
-        "is-buffer": {
-          "version": "2.0.5",
-          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.5.tgz",
-          "integrity": "sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ=="
-        }
-      }
-    },
     "babel-code-frame": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
@@ -2407,21 +2391,6 @@
         "assert-plus": "^1.0.0"
       }
     },
-    "debug": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-      "requires": {
-        "ms": "2.0.0"
-      },
-      "dependencies": {
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-        }
-      }
-    },
     "decamelize": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
@@ -2977,7 +2946,7 @@
       "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
       "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
       "requires": {
-        "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#ee3994657fa7a427238e6ba92a84d0b529bbcde0",
+        "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
         "ethereumjs-util": "^5.1.1"
       }
     },
@@ -3475,14 +3444,6 @@
         "readable-stream": "^2.3.6"
       }
     },
-    "follow-redirects": {
-      "version": "1.5.10",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
-      "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
-      "requires": {
-        "debug": "=3.1.0"
-      }
-    },
     "for-in": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
@@ -5174,7 +5135,8 @@
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
       "integrity": "sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "pify": {
       "version": "3.0.0",
@@ -5190,14 +5152,6 @@
         "find-up": "^2.1.0"
       }
     },
-    "pocket-js-core": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/pocket-js-core/-/pocket-js-core-0.0.3.tgz",
-      "integrity": "sha512-OUTEvEVutdjLT6YyldvAlSebpBueUUWg2XKxGNt5u3QqrmLpBOOBmdDnGMNJ+lEwXtko+JqgwFq+HTi4g1QDVg==",
-      "requires": {
-        "axios": "^0.18.0"
-      }
-    },
     "posix-character-classes": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz",
diff --git a/package.json b/package.json
index 8dd5209..d99168b 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,6 @@
   "dependencies": {
     "ethereumjs-util": "5.2.0",
     "penpal": "3.0.7",
-    "pocket-js-core": "0.0.3",
     "web3-provider-engine": "16.0.1"
   },
   "husky": {