diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d23819dd20..b224ebddf8 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2019-03-18  Tom Tromey  <tromey@adacore.com>
+
+	* minsyms.c (minimal_symbol_reader::install): Remove call to
+	obstack_blank.
+
 2019-03-18  Pedro Alves  <palves@redhat.com>
 
 	* tui/tui-io.c (reverse_mode_p, reverse_save_bg, reverse_save_fg):
diff --git a/gdb/minsyms.c b/gdb/minsyms.c
index fe2ad949d0..b95e9ef6e8 100644
--- a/gdb/minsyms.c
+++ b/gdb/minsyms.c
@@ -1360,8 +1360,6 @@ minimal_symbol_reader::install ()
          we will give back the excess space.  */
 
       alloc_count = m_msym_count + m_objfile->per_bfd->minimal_symbol_count;
-      obstack_blank (&m_objfile->per_bfd->storage_obstack,
-		     alloc_count * sizeof (struct minimal_symbol));
       gdb::unique_xmalloc_ptr<minimal_symbol>
 	msym_holder (XNEWVEC (minimal_symbol, alloc_count));
       msymbols = msym_holder.get ();