diff --git a/code/ysolve.f90 b/code/ysolve.f90
index 0b261f4..f2e2e70 100644
--- a/code/ysolve.f90
+++ b/code/ysolve.f90
@@ -153,7 +153,7 @@
        ENDIF
       ENDDO
 
-      CALL write_sd
+      ! CALL write_sd
       CALL write_pre
       CALL save_final_field