diff --git a/package-lock.json b/package-lock.json
index 7bef884..2647c86 100644
--- a/package-lock.json
+++ b/package-lock.json
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-      "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
+      "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=",
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@@ -14568,6 +14553,7 @@
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+      "dev": true,
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@@ -14594,6 +14580,7 @@
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+      "dev": true,
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@@ -14736,7 +14723,8 @@
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+      "dev": true
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@@ -14874,7 +14862,8 @@
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-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
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diff --git a/package.json b/package.json
index 6be7570..30062d3 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,5 @@
     "ethereum-waffle": "^3.2.2",
     "ethers": "^5.0.26",
     "hardhat": "^2.0.8"
-  },
-  "dependencies": {
-    "eth-sig-util": "^3.0.0"
   }
 }