diff --git a/package.json b/package.json
index 4005b5c..f5bcb77 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,6 @@
     "babel-preset-env": "^1.6.0",
     "is_js": "^0.9.0",
     "lodash.camelcase": "^4.3.0",
-    "lodash.snakecase": "^4.1.1",
-    "syncano-server": "^0.8.1"
+    "lodash.snakecase": "^4.1.1"
   }
 }
diff --git a/src/index.js b/src/index.js
index 6c7fadb..9ab8f6c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -11,14 +11,6 @@ class Validator {
     this.sizeRules = ['Min', 'Max', 'Between']
   }
 
-  validateConnection() {
-    return new Promise((resolve, reject) => {
-      this.connection.Instance.please().list()
-        .then(() => resolve(true))
-        .catch(err => reject(err))
-    })
-  }
-
   setData(data) {
     // TODO: Handle array inputs
     this.data = data
diff --git a/src/validators.js b/src/validators.js
index 0fc8867..094a65d 100644
--- a/src/validators.js
+++ b/src/validators.js
@@ -1,4 +1,3 @@
-import { data } from 'syncano-server'
 import { is } from './helpers'
 
 export function validateRequired(attribute, value) {
@@ -32,7 +31,7 @@ export function validateExists(attribute, value, parameters) {
   const [className, column] = parameters
 
   return new Promise((resolve, reject) => {
-    data[className]
+    this.connection[className === 'users' ? 'users' : 'data'][className]
       .where(column, value)
       .list()
       .then(objects => resolve(objects.length > 0))
diff --git a/yarn.lock b/yarn.lock
index 4793f6f..737df16 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -720,7 +720,7 @@ babel-register@^6.24.1:
     mkdirp "^0.5.1"
     source-map-support "^0.4.2"
 
-babel-runtime@^6.0.0, babel-runtime@^6.11.6, babel-runtime@^6.9.0, babel-runtime@^6.9.1:
+babel-runtime@^6.0.0, babel-runtime@^6.9.0, babel-runtime@^6.9.1:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.18.0.tgz#0f4177ffd98492ef13b9f823e9994a02584c9078"
   dependencies:
@@ -891,10 +891,6 @@ buffer-shims@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
 
-buffer-to-arraybuffer@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.4.tgz#f3e5e3f6f2632c71e7cdebe76ed1718fad421d4c"
-
 builtin-modules@^1.0.0, builtin-modules@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -1341,12 +1337,6 @@ electron-to-chromium@^1.3.18:
   version "1.3.18"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.18.tgz#3dcc99da3e6b665f6abbc71c28ad51a2cd731a9c"
 
-encoding@^0.1.11:
-  version "0.1.12"
-  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
-  dependencies:
-    iconv-lite "~0.4.13"
-
 end-of-stream@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.0.tgz#7a90d833efda6cfa6eac0f4949dbb0fad3a63206"
@@ -2169,7 +2159,7 @@ https-proxy-agent@^1.0.0:
     debug "2"
     extend "3"
 
-iconv-lite@^0.4.17, iconv-lite@~0.4.13:
+iconv-lite@^0.4.17:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.18.tgz#23d8656b16aae6742ac29732ea8f0336a4789cf2"
 
@@ -2433,7 +2423,7 @@ is-retry-allowed@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
 
-is-stream@^1.0.0, is-stream@^1.0.1, is-stream@^1.1.0:
+is-stream@^1.0.0, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
@@ -2947,15 +2937,6 @@ netrc@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/netrc/-/netrc-0.1.4.tgz#6be94fcaca8d77ade0a9670dc460914c94472444"
 
-node-fetch@2.0.0-alpha.3:
-  version "2.0.0-alpha.3"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.0.0-alpha.3.tgz#8031bded671c806e4604c16b27ab1973b4fe88cc"
-  dependencies:
-    babel-runtime "^6.11.6"
-    buffer-to-arraybuffer "0.0.4"
-    encoding "^0.1.11"
-    is-stream "^1.0.1"
-
 node-pre-gyp@^0.6.29:
   version "0.6.32"
   resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.6.32.tgz#fc452b376e7319b3d255f5f34853ef6fd8fe1fd5"
@@ -4042,12 +4023,6 @@ supports-color@^4.0.0:
   dependencies:
     has-flag "^2.0.0"
 
-syncano-server@^0.8.1:
-  version "0.8.1"
-  resolved "https://registry.yarnpkg.com/syncano-server/-/syncano-server-0.8.1.tgz#6a7dd7a30690ca24bd1aba5c86e6ea7dd7143d6a"
-  dependencies:
-    node-fetch "2.0.0-alpha.3"
-
 table@^3.7.8:
   version "3.8.3"
   resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"