diff --git a/contracts/src/v0.8/ccip/AggregateRateLimiter.sol b/contracts/src/v0.8/ccip/AggregateRateLimiter.sol
index b1b1dc9f805..a629969ee13 100644
--- a/contracts/src/v0.8/ccip/AggregateRateLimiter.sol
+++ b/contracts/src/v0.8/ccip/AggregateRateLimiter.sol
@@ -52,18 +52,6 @@ contract AggregateRateLimiter is OwnerIsCreator {
     return pricePerToken._calcUSDValueFromTokenAmount(tokenAmount.amount);
   }
 
-  fallback() external {
-    // copied directly from OZ's Proxy contract
-    assembly {
-    // Copy msg.data. We take full control of memory in this inline assembly
-    // block because it will not return to Solidity code. We overwrite the
-    // Solidity scratch pad at memory position 0.
-      calldatacopy(0, 0, calldatasize())
-
-      return(0, returndatasize())
-    }
-  }
-
     /// @notice Gets the token bucket with its values for the block it was requested at.
   /// @return The token bucket.
   function currentRateLimiterState() external view returns (RateLimiter.TokenBucket memory) {
diff --git a/contracts/src/v0.8/functions/v1_3_0/FunctionsBilling.sol b/contracts/src/v0.8/functions/v1_3_0/FunctionsBilling.sol
index 49ecf3d6652..98a28c3bf35 100644
--- a/contracts/src/v0.8/functions/v1_3_0/FunctionsBilling.sol
+++ b/contracts/src/v0.8/functions/v1_3_0/FunctionsBilling.sol
@@ -91,6 +91,18 @@ abstract contract FunctionsBilling is Routable, IFunctionsBilling {
     return s_config;
   }
 
+  fallback() external {
+    // copied directly from OZ's Proxy contract
+    assembly {
+    // Copy msg.data. We take full control of memory in this inline assembly
+    // block because it will not return to Solidity code. We overwrite the
+    // Solidity scratch pad at memory position 0.
+      calldatacopy(0, 0, calldatasize())
+
+      return(0, returndatasize())
+    }
+  }
+
   /// @notice Sets the Chainlink Coordinator's billing configuration
   /// @param config - See the contents of the FunctionsBillingConfig struct in IFunctionsBilling.sol for more information
   function updateConfig(FunctionsBillingConfig memory config) public {