diff --git a/contracts/unaudited/burn-to-claim-drop/BurnToClaimDropERC721.sol b/contracts/unaudited/burn-to-claim-drop/BurnToClaimDropERC721.sol
index 75ffc5af8..0618b0bf5 100644
--- a/contracts/unaudited/burn-to-claim-drop/BurnToClaimDropERC721.sol
+++ b/contracts/unaudited/burn-to-claim-drop/BurnToClaimDropERC721.sol
@@ -48,7 +48,9 @@ contract BurnToClaimDropERC721 is
                     Constructor + initializer logic
     //////////////////////////////////////////////////////////////*/
 
-    constructor(Extension[] memory _extensions) BaseRouterWithDefaults(_extensions) {}
+    constructor(Extension[] memory _extensions) BaseRouterWithDefaults(_extensions) {
+        _disableInitializers();
+    }
 
     /// @dev Initiliazes the contract, like a constructor.
     function initialize(
diff --git a/contracts/unaudited/evolving-nfts/EvolvingNFT.sol b/contracts/unaudited/evolving-nfts/EvolvingNFT.sol
index bdb41c99f..deddb7533 100644
--- a/contracts/unaudited/evolving-nfts/EvolvingNFT.sol
+++ b/contracts/unaudited/evolving-nfts/EvolvingNFT.sol
@@ -41,7 +41,9 @@ contract EvolvingNFT is
     /// @dev Only MINTER_ROLE holders can sign off on `MintRequest`s.
     bytes32 private constant EXTENSION_ROLE = keccak256("EXTENSION_ROLE");
 
-    constructor(Extension[] memory _extensions) BaseRouterWithDefaults(_extensions) {}
+    constructor(Extension[] memory _extensions) BaseRouterWithDefaults(_extensions) {
+        _disableInitializers();
+    }
 
     /// @dev Initiliazes the contract, like a constructor.
     function initialize(