diff --git a/contracts/arbitrum/connectors/arb-claim/events.sol b/contracts/arbitrum/connectors/arb-claim/events.sol
index ba1a1835..6d220d43 100644
--- a/contracts/arbitrum/connectors/arb-claim/events.sol
+++ b/contracts/arbitrum/connectors/arb-claim/events.sol
@@ -12,10 +12,4 @@ contract Events {
 		address indexed account,
 		address indexed delegatee
 	);
-
-	event LogArbTokensDelegatedBySig(
-		address indexed account,
-		address indexed delegatee,
-		uint256 nonce
-	);
 }
diff --git a/contracts/arbitrum/connectors/arb-claim/helpers.sol b/contracts/arbitrum/connectors/arb-claim/helpers.sol
index 0e91e30e..4eb872de 100644
--- a/contracts/arbitrum/connectors/arb-claim/helpers.sol
+++ b/contracts/arbitrum/connectors/arb-claim/helpers.sol
@@ -5,7 +5,7 @@ import "./variables.sol";
 import { Basic } from "../../common/basic.sol";
 
 contract Helpers is Variables, Basic {
-	function claimableArbTokens(address user) internal view returns (uint256) {
+	function claimableArbTokens(address user) public view returns (uint256) {
 		return ARBITRUM_TOKEN_DISTRIBUTOR.claimableTokens(user);
 	}
 }
\ No newline at end of file
diff --git a/contracts/arbitrum/connectors/arb-claim/main.sol b/contracts/arbitrum/connectors/arb-claim/main.sol
index 27f0600f..f908b8b1 100644
--- a/contracts/arbitrum/connectors/arb-claim/main.sol
+++ b/contracts/arbitrum/connectors/arb-claim/main.sol
@@ -17,7 +17,8 @@ abstract contract ArbitrumAirdrop is Events, Helpers {
 		returns (string memory eventName_, bytes memory eventParam_)
 	{
 		uint256 claimable = claimableArbTokens(address(this));
-		require(claimable > 0, "0-tokens-claimable");
+
+		// If claimable <= 0, ARB TokenDistributor will revert on claim.
 		ARBITRUM_TOKEN_DISTRIBUTOR.claim();
 		setUint(setId, claimable);
 
@@ -38,30 +39,6 @@ abstract contract ArbitrumAirdrop is Events, Helpers {
 		eventName_ = "LogArbTokensDelegated(address,address)";
 		eventParam_ = abi.encode(address(this), delegatee);
 	}
-
-    /**
-	 * @dev Delegates votes from signer to `delegatee`.
-	 * @param delegatee The address to delegate the ARB tokens to.
-	 * @param nonce The nonce number.
-	 * @param permits The struct containing signed permit data like v,r,s,expiry.
-	 */
-	function delegateBySig(
-		address delegatee,
-		uint256 nonce,
-		SignedPermits calldata permits
-	) public returns (string memory eventName_, bytes memory eventParam_) {
-		ARB_TOKEN_CONTRACT.delegateBySig(
-			delegatee,
-			nonce,
-			permits.expiry,
-			permits.v,
-			permits.r,
-			permits.s
-		);
-
-		eventName_ = "LogArbTokensDelegatedBySig(address,address,uint256)";
-		eventParam_ = abi.encode(address(this), delegatee, nonce);
-	}
 }
 
 contract ConnectV2ArbitrumAirdrop is ArbitrumAirdrop {
diff --git a/contracts/arbitrum/connectors/arb-claim/variables.sol b/contracts/arbitrum/connectors/arb-claim/variables.sol
index 4f08a35c..fb3e29d5 100644
--- a/contracts/arbitrum/connectors/arb-claim/variables.sol
+++ b/contracts/arbitrum/connectors/arb-claim/variables.sol
@@ -9,11 +9,4 @@ contract Variables {
 
 	IArbTokenContract public constant ARB_TOKEN_CONTRACT =
 		IArbTokenContract(0x912CE59144191C1204E64559FE8253a0e49E6548);
-
-	struct SignedPermits {
-		uint8 v;
-		bytes32 r;
-		bytes32 s;
-		uint256 expiry;
-	}
 }