diff --git a/contracts/collections/sg721-base/src/contract.rs b/contracts/collections/sg721-base/src/contract.rs
index bcf6df647..7f1dec93a 100644
--- a/contracts/collections/sg721-base/src/contract.rs
+++ b/contracts/collections/sg721-base/src/contract.rs
@@ -247,16 +247,15 @@ where
                     if share_delta > Decimal::percent(MAX_SHARE_DELTA_PCT) {
                         return Err(ContractError::InvalidRoyalties(format!(
                             "Share increase cannot be greater than {}%",
-                            MAX_SHARE_DELTA_PCT.to_string()
+                            MAX_SHARE_DELTA_PCT
                         )));
                     }
                     if new_royalty_info.share > Decimal::percent(MAX_ROYALTY_SHARE_PCT) {
-                        return Err(ContractError::InvalidRoyalties(
-                            format!("Share cannot be greater than {}%", MAX_ROYALTY_SHARE_PCT)
-                                .to_string(),
-                        ));
+                        return Err(ContractError::InvalidRoyalties(format!(
+                            "Share cannot be greater than {}%",
+                            MAX_ROYALTY_SHARE_PCT
+                        )));
                     }
-                } else {
                 }
             }