diff --git a/contracts/zero-ex/CHANGELOG.json b/contracts/zero-ex/CHANGELOG.json
index b139b90f40..8d916a0663 100644
--- a/contracts/zero-ex/CHANGELOG.json
+++ b/contracts/zero-ex/CHANGELOG.json
@@ -5,8 +5,7 @@
             {
                 "note": "Add Trader Joe V2 support on Avalanche"
             }
-        ],
-        "timestamp": 1681960738
+        ]
     },
     {
         "version": "0.41.0",
diff --git a/packages/contract-addresses/CHANGELOG.json b/packages/contract-addresses/CHANGELOG.json
index 14254a1cc4..038511055e 100644
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -5,8 +5,7 @@
             {
                 "note": "Add Trader Joe V2 support on Avalanche"
             }
-        ],
-        "timestamp": 1681960738
+        ]
     },
 	{
 		"version": "8.4.0",
diff --git a/packages/protocol-utils/CHANGELOG.json b/packages/protocol-utils/CHANGELOG.json
index 908f25f8e0..0ca7ded579 100644
--- a/packages/protocol-utils/CHANGELOG.json
+++ b/packages/protocol-utils/CHANGELOG.json
@@ -5,8 +5,7 @@
             {
                 "note": "Add Trader Joe V2 support on Avalanche"
             }
-        ],
-        "timestamp": 1681960738
+        ]
     },
 	{
 		"version": "11.20.0",