diff --git a/package-lock.json b/package-lock.json
index 0108d5284..4781cecb2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,6 @@
         "futoin-hkdf": "^1.5.3",
         "node-persist": "^0.0.12",
         "source-map-support": "^0.5.21",
-        "tslib": "^2.8.1",
         "tweetnacl": "^1.0.3"
       },
       "devDependencies": {
diff --git a/package.json b/package.json
index dfdf80783..050b1a52c 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,6 @@
     "futoin-hkdf": "^1.5.3",
     "node-persist": "^0.0.12",
     "source-map-support": "^0.5.21",
-    "tslib": "^2.8.1",
     "tweetnacl": "^1.0.3"
   },
   "devDependencies": {