diff --git a/dev/checkstyle.xml b/dev/checkstyle.xml
index 3de6aa91dcd5..fde44694fb72 100644
--- a/dev/checkstyle.xml
+++ b/dev/checkstyle.xml
@@ -157,7 +157,8 @@
             <property name="allowSamelineMultipleAnnotations" value="true"/>
         </module>
         <module name="MethodName">
-            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>
+            <!-- Exclude Append and Complete were added in SPARK-15517 -->
+            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$|Append|Complete"/>
             <message key="name.invalidPattern"
              value="Method name ''{0}'' must match pattern ''{1}''."/>
         </module>
diff --git a/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java b/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java
index 3f7a872ff635..14626e54b225 100644
--- a/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java
+++ b/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java
@@ -58,8 +58,6 @@
 import org.apache.parquet.hadoop.metadata.ParquetMetadata;
 import org.apache.parquet.hadoop.util.ConfigurationUtil;
 import org.apache.parquet.schema.MessageType;
-import org.apache.parquet.schema.PrimitiveType;
-import org.apache.parquet.schema.Type;
 import org.apache.parquet.schema.Types;
 import org.apache.spark.sql.types.StructType;