diff --git a/cpp/src/parquet/encoding.cc b/cpp/src/parquet/encoding.cc
index c136671bd1327..5221f2588c0d3 100644
--- a/cpp/src/parquet/encoding.cc
+++ b/cpp/src/parquet/encoding.cc
@@ -442,7 +442,7 @@ class DictEncoderImpl : public EncoderImpl, virtual public DictEncoder<DType> {
         dict_encoded_size_(0),
         memo_table_(pool, kInitialHashTableSize) {}
 
-  ~DictEncoderImpl() override { DCHECK(buffered_indices_.empty()); }
+  ~DictEncoderImpl() = default;
 
   int dict_encoded_size() const override { return dict_encoded_size_; }