diff --git a/packages/website/docs/smart-contracts/L1/TaikoL1.md b/packages/website/docs/smart-contracts/L1/TaikoL1.md
index ab79ee24db2..ac2f0d0ecfc 100644
--- a/packages/website/docs/smart-contracts/L1/TaikoL1.md
+++ b/packages/website/docs/smart-contracts/L1/TaikoL1.md
@@ -171,12 +171,6 @@ function signWithGoldenTouch(bytes32 hash, uint8 k) public view returns (uint8 v
 function getBlockProvers(uint256 id, bytes32 parentHash) public view returns (address[])
 ```
 
-### getUncleProofDelay
-
-```solidity
-function getUncleProofDelay(uint256 blockId) public view returns (uint64)
-```
-
 ### getConfig
 
 ```solidity