diff --git a/packages/embark/package.json b/packages/embark/package.json
index 330c8c4c0..14a6191a9 100644
--- a/packages/embark/package.json
+++ b/packages/embark/package.json
@@ -234,7 +234,6 @@
     "embark-test-contract-0": "0.0.2",
     "embark-test-contract-1": "0.0.1",
     "eslint": "5.7.0",
-    "mocha-sinon": "1.2.0",
     "npm-run-all": "4.1.5",
     "nyc": "13.1.0",
     "rejected-or-not": "1.0.1",
diff --git a/yarn.lock b/yarn.lock
index 3a779f6ce..0dd6e5cb6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14112,11 +14112,6 @@ mkdirp@*, mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0
   dependencies:
     minimist "0.0.8"
 
-mocha-sinon@1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/mocha-sinon/-/mocha-sinon-1.2.0.tgz#95f034a8dade4da966a0f3afc89c126d8b589123"
-  integrity sha1-lfA0qNreTalmoPOvyJwSbYtYkSM=
-
 mocha@5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-5.2.0.tgz#6d8ae508f59167f940f2b5b3c4a612ae50c90ae6"