diff --git a/ibc-core/ics23-commitment/types/src/error.rs b/ibc-core/ics23-commitment/types/src/error.rs
index b5712b6ba..3554767eb 100644
--- a/ibc-core/ics23-commitment/types/src/error.rs
+++ b/ibc-core/ics23-commitment/types/src/error.rs
@@ -26,12 +26,6 @@ pub enum CommitmentError {
     InvalidRange { min: i32, max: i32 },
     /// invalid merkle proof
     InvalidMerkleProof,
-    /// invalid child size `{0}`
-    InvalidChildSize(i32),
-    /// invalid hash operation `{0}`
-    InvalidHashOp(i32),
-    /// invalid length operation `{0}`
-    InvalidLengthOp(i32),
     /// failed to verify membership
     FailedToVerifyMembership,
 }