diff --git a/table/block_based_table_builder.cc b/table/block_based_table_builder.cc
index 784159339..47da7ef2c 100644
--- a/table/block_based_table_builder.cc
+++ b/table/block_based_table_builder.cc
@@ -80,10 +80,10 @@ FilterBlockBuilder* CreateFilterBlockBuilder(
       // until index builder actully cuts the partition, we take the lower bound
       // as partition size.
       assert(table_opt.block_size_deviation <= 100);
-      auto partition_size =
-          static_cast<const uint32_t>(table_opt.metadata_block_size *
-                                      (100 - table_opt.block_size_deviation));
-      partition_size = std::max(partition_size, static_cast<const uint32_t>(1));
+      auto partition_size = static_cast<uint32_t>(
+          table_opt.metadata_block_size *
+          (100 - table_opt.block_size_deviation));
+      partition_size = std::max(partition_size, static_cast<uint32_t>(1));
       return new PartitionedFilterBlockBuilder(
           opt.prefix_extractor, table_opt.whole_key_filtering,
           filter_bits_builder, table_opt.index_block_restart_interval,
diff --git a/table/partitioned_filter_block_test.cc b/table/partitioned_filter_block_test.cc
index 5f289e143..cbf8c493c 100644
--- a/table/partitioned_filter_block_test.cc
+++ b/table/partitioned_filter_block_test.cc
@@ -92,10 +92,10 @@ class PartitionedFilterBlockTest : public testing::Test {
   PartitionedFilterBlockBuilder* NewBuilder(
       PartitionedIndexBuilder* const p_index_builder) {
     assert(table_options_.block_size_deviation <= 100);
-    auto partition_size = static_cast<const uint32_t>(
+    auto partition_size = static_cast<uint32_t>(
         table_options_.metadata_block_size *
-        (100 - table_options_.block_size_deviation));
-    partition_size = std::max(partition_size, static_cast<const uint32_t>(1));
+        ( 100 - table_options_.block_size_deviation));
+    partition_size = std::max(partition_size, static_cast<uint32_t>(1));
     return new PartitionedFilterBlockBuilder(
         nullptr, table_options_.whole_key_filtering,
         table_options_.filter_policy->GetFilterBitsBuilder(),