diff --git a/input/size.go b/input/size.go
index 68fa85e4e..b0d28aa27 100644
--- a/input/size.go
+++ b/input/size.go
@@ -260,19 +260,6 @@ const (
 	//      - witness_script: (accepted_htlc_script)
 	AcceptedHtlcTimeoutWitnessSize = 1 + 1 + 73 + 1 + 1 + AcceptedHtlcScriptSize
 
-	// AcceptedHtlcSuccessWitnessSize 322 bytes
-	//      - number_of_witness_elements: 1 byte
-	//      - nil_length: 1 byte
-	//      - sig_alice_length: 1 byte
-	//      - sig_alice: 73 bytes
-	//      - sig_bob_length: 1 byte
-	//      - sig_bob: 73 bytes
-	//      - preimage_length: 1 byte
-	//      - preimage: 32 bytes
-	//      - witness_script_length: 1 byte
-	//      - witness_script (accepted_htlc_script)
-	AcceptedHtlcSuccessWitnessSize = 1 + 1 + 73 + 1 + 73 + 1 + 32 + 1 + AcceptedHtlcScriptSize
-
 	// AcceptedHtlcPenaltyWitnessSize 249 bytes
 	//      - number_of_witness_elements: 1 byte
 	//      - revocation_sig_length: 1 byte
@@ -317,18 +304,6 @@ const (
 	//      - OP_ENDIF: 1 byte
 	OfferedHtlcScriptSize = 3*1 + 20 + 5*1 + 33 + 10*1 + 33 + 5*1 + 20 + 4*1
 
-	// OfferedHtlcTimeoutWitnessSize 285 bytes
-	//      - number_of_witness_elements: 1 byte
-	//      - nil_length: 1 byte
-	//      - sig_alice_length: 1 byte
-	//      - sig_alice: 73 bytes
-	//      - sig_bob_length: 1 byte
-	//      - sig_bob: 73 bytes
-	//      - nil_length: 1 byte
-	//      - witness_script_length: 1 byte
-	//      - witness_script (offered_htlc_script)
-	OfferedHtlcTimeoutWitnessSize = 1 + 1 + 1 + 73 + 1 + 73 + 1 + 1 + OfferedHtlcScriptSize
-
 	// OfferedHtlcSuccessWitnessSize 317 bytes
 	//      - number_of_witness_elements: 1 byte
 	//      - nil_length: 1 byte