diff --git a/src/potential_file_reader.h b/src/potential_file_reader.h
index c72bf6e48f..a9d7fa8383 100644
--- a/src/potential_file_reader.h
+++ b/src/potential_file_reader.h
@@ -39,7 +39,7 @@ class PotentialFileReader : protected Pointers {
   PotentialFileReader(class LAMMPS *lmp, const std::string &filename,
                       const std::string &potential_name, const std::string &name_suffix,
                       const int auto_convert = 0);
-  virtual ~PotentialFileReader();
+  ~PotentialFileReader() override;
 
   void ignore_comments(bool value);
 
diff --git a/src/table_file_reader.h b/src/table_file_reader.h
index 832e68a34f..51e10189ee 100644
--- a/src/table_file_reader.h
+++ b/src/table_file_reader.h
@@ -25,7 +25,6 @@ class TableFileReader : public PotentialFileReader {
  public:
   TableFileReader(class LAMMPS *lmp, const std::string &filename, const std::string &type,
                   const int auto_convert = 0);
-  virtual ~TableFileReader() = default;
 
   char *find_section_start(const std::string &keyword);
 };