diff --git a/sdk/message/src/sanitized.rs b/sdk/message/src/sanitized.rs
index 97b9e40abaac93..2ecb67df90f167 100644
--- a/sdk/message/src/sanitized.rs
+++ b/sdk/message/src/sanitized.rs
@@ -455,7 +455,6 @@ impl TransactionSignatureDetails {
         self.num_transaction_signatures
             .saturating_add(self.num_secp256k1_instruction_signatures)
             .saturating_add(self.num_ed25519_instruction_signatures)
-            .saturating_add(self.num_secp256r1_instruction_signatures)
     }
 
     /// return the number of transaction signatures