diff --git a/src/summary.F90 b/src/summary.F90
index c382f4734..2b34ccfb6 100644
--- a/src/summary.F90
+++ b/src/summary.F90
@@ -14,8 +14,7 @@ module summary
   use surface_header
   use string,          only: to_str
   use tally_header,    only: TallyObject
-  use output,          only: find_offset, write_message
-  use string,          only: to_str
+  use output,          only: find_offset
 
   use hdf5