diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 63b8095d99..ee9fabecf0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2019-03-11  Tom Tromey  <tromey@adacore.com>
+
+	* dwarf2read.c (dwarf2_find_containing_comp_unit): Remove
+	redundant assignment to "this_cu".
+
 2019-03-08  Simon Marchi  <simon.marchi@efficios.com>
 
 	* gdbtypes.c (rank_one_type): Remove unnecessary cases from switch.
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 0c59dcd204..7c07a10e8c 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -25157,7 +25157,6 @@ dwarf2_find_containing_comp_unit (sect_offset sect_off,
     }
   else
     {
-      this_cu = dwarf2_per_objfile->all_comp_units[low];
       if (low == dwarf2_per_objfile->all_comp_units.size () - 1
 	  && sect_off >= this_cu->sect_off + this_cu->length)
 	error (_("invalid dwarf2 offset %s"), sect_offset_str (sect_off));