diff --git a/arrow-pg/src/encoder.rs b/arrow-pg/src/encoder.rs
index 536c16c..bd9b3a6 100644
--- a/arrow-pg/src/encoder.rs
+++ b/arrow-pg/src/encoder.rs
@@ -525,7 +525,7 @@ pub fn encode_value<T: Encoder>(
             return Err(PgWireError::ApiError(ToSqlError::from(format!(
                 "Unsupported Datatype {} and array {:?}",
                 arr.data_type(),
-                &arr
+                arr
             ))));
         }
     }
diff --git a/arrow-pg/src/list_encoder.rs b/arrow-pg/src/list_encoder.rs
index 1a0788b..2db41f8 100644
--- a/arrow-pg/src/list_encoder.rs
+++ b/arrow-pg/src/list_encoder.rs
@@ -624,7 +624,7 @@ pub fn encode_list<T: Encoder>(
         // TODO: add support for more advanced types (fixed size lists, etc.)
         list_type => Err(PgWireError::ApiError(ToSqlError::from(format!(
             "Unsupported List Datatype {} and array {:?}",
-            list_type, &arr
+            list_type, arr
         )))),
     }
 }