diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index a6adc53966..dc4dd30e5e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-12-27  Tom Tromey  <tom@tromey.com>
+
+	* minsyms.h (class minimal_symbol_reader): Use
+	DISABLE_COPY_AND_ASSIGN.
+
 2018-12-27  Tom Tromey  <tom@tromey.com>
 
 	* python/python.c (python_interactive_command): Use std::string.
diff --git a/gdb/minsyms.h b/gdb/minsyms.h
index f6799ef00c..9e8e4c75ea 100644
--- a/gdb/minsyms.h
+++ b/gdb/minsyms.h
@@ -128,10 +128,7 @@ class minimal_symbol_reader
 
  private:
 
-  /* No need for these.  They are intentionally not defined anywhere.  */
-  minimal_symbol_reader &operator=
-    (const minimal_symbol_reader &);
-  minimal_symbol_reader (const minimal_symbol_reader &);
+  DISABLE_COPY_AND_ASSIGN (minimal_symbol_reader);
 
   struct objfile *m_objfile;