diff --git a/contracts/dev-utils/CHANGELOG.json b/contracts/dev-utils/CHANGELOG.json
index bcc7df96c9..b1eebd777b 100644
--- a/contracts/dev-utils/CHANGELOG.json
+++ b/contracts/dev-utils/CHANGELOG.json
@@ -1,6 +1,5 @@
 [
     {
-        "timestamp": 1576707339,
         "version": "1.0.3",
         "changes": [
             {
diff --git a/packages/contract-addresses/CHANGELOG.json b/packages/contract-addresses/CHANGELOG.json
index 073903611e..20a14c4f2a 100644
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Added new `DevUtils` addresses",
                 "pr": 2402
             }
-        ],
-        "timestamp": 1576718515
+        ]
     },
     {
         "version": "4.1.0",
diff --git a/packages/contract-artifacts/CHANGELOG.json b/packages/contract-artifacts/CHANGELOG.json
index 84b0df0917..a4cee5fab7 100644
--- a/packages/contract-artifacts/CHANGELOG.json
+++ b/packages/contract-artifacts/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Add updated `DevUtils` artifact.",
                 "pr": 2402
             }
-        ],
-        "timestamp": 1576706957
+        ]
     },
     {
         "version": "3.2.0",
diff --git a/packages/contract-wrappers/CHANGELOG.json b/packages/contract-wrappers/CHANGELOG.json
index 57517b9df7..79c5bf5f7f 100644
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@@ -6,8 +6,7 @@
                 "note": "Added updated `DevUtils` wrapper",
                 "pr": 2402
             }
-        ],
-        "timestamp": 1576706957
+        ]
     },
     {
         "version": "13.2.0",