diff --git a/contracts/external/cw20-token/src/contract.rs b/contracts/external/cw20-token/src/contract.rs
index cbfa09f1f..6bc135bb7 100644
--- a/contracts/external/cw20-token/src/contract.rs
+++ b/contracts/external/cw20-token/src/contract.rs
@@ -1045,7 +1045,7 @@ mod tests {
         assert!(res.is_ok());
         let query_minter_msg = QueryMsg::Minter {};
         let res = query(deps.as_ref(), env, query_minter_msg);
-        let mint: MinterResponse = from_json(&res.unwrap()).unwrap();
+        let mint: MinterResponse = from_json(res.unwrap()).unwrap();
 
         // Minter cannot update cap.
         assert!(mint.cap == cap);
@@ -1095,7 +1095,7 @@ mod tests {
         assert!(res.is_ok());
         let query_minter_msg = QueryMsg::Minter {};
         let res = query(deps.as_ref(), env, query_minter_msg);
-        let mint: Option<MinterResponse> = from_json(&res.unwrap()).unwrap();
+        let mint: Option<MinterResponse> = from_json(res.unwrap()).unwrap();
 
         // Check that mint information was removed.
         assert_eq!(mint, None);
@@ -1212,7 +1212,7 @@ mod tests {
             QueryMsg::Balance { address: addr1 },
         )
         .unwrap();
-        let loaded: BalanceResponse = from_json(&data).unwrap();
+        let loaded: BalanceResponse = from_json(data).unwrap();
         assert_eq!(loaded.balance, amount1);
 
         // check balance query (empty)
@@ -1224,7 +1224,7 @@ mod tests {
             },
         )
         .unwrap();
-        let loaded: BalanceResponse = from_json(&data).unwrap();
+        let loaded: BalanceResponse = from_json(data).unwrap();
         assert_eq!(loaded.balance, Uint128::zero());
     }
 
diff --git a/contracts/external/cw20-token/src/enumerable.rs b/contracts/external/cw20-token/src/enumerable.rs
index 69eeaa370..76fb86c92 100644
--- a/contracts/external/cw20-token/src/enumerable.rs
+++ b/contracts/external/cw20-token/src/enumerable.rs
@@ -220,7 +220,7 @@ mod tests {
             limit: None,
         };
         let allowances: AllSpenderAllowancesResponse =
-            from_json(&query(deps.as_ref(), env.clone(), msg).unwrap()).unwrap();
+            from_json(query(deps.as_ref(), env.clone(), msg).unwrap()).unwrap();
         assert_eq!(allowances.allowances.len(), 2);
 
         // one is owner1 (order of CanonicalAddr uncorrelated with String)
@@ -230,7 +230,7 @@ mod tests {
             limit: Some(1),
         };
         let allowances: AllSpenderAllowancesResponse =
-            from_json(&query(deps.as_ref(), env.clone(), msg).unwrap()).unwrap();
+            from_json(query(deps.as_ref(), env.clone(), msg).unwrap()).unwrap();
         assert_eq!(allowances.allowances.len(), 1);
         let allow = &allowances.allowances[0];
         assert_eq!(&allow.owner, &owner1);
@@ -244,7 +244,7 @@ mod tests {
             limit: Some(10000),
         };
         let allowances: AllSpenderAllowancesResponse =
-            from_json(&query(deps.as_ref(), env, msg).unwrap()).unwrap();
+            from_json(query(deps.as_ref(), env, msg).unwrap()).unwrap();
         assert_eq!(allowances.allowances.len(), 1);
         let allow = &allowances.allowances[0];
         assert_eq!(&allow.owner, &owner2);