diff --git a/examples/USER/quip/in.gap b/examples/USER/quip/in.gap
index 8e3c3d701b..37667e39b9 100644
--- a/examples/USER/quip/in.gap
+++ b/examples/USER/quip/in.gap
@@ -18,6 +18,5 @@ thermo		10
 timestep	0.001
 
 dump		1 all custom 10 dump.gap id fx fy fz
-dump_modify     1 format "%d %20.15g  %20.15g %20.15g"
 
 run		40
diff --git a/examples/USER/quip/in.sw b/examples/USER/quip/in.sw
index a3c1df704c..c1367ac805 100644
--- a/examples/USER/quip/in.sw
+++ b/examples/USER/quip/in.sw
@@ -18,6 +18,5 @@ thermo		10
 timestep	0.001
 
 dump		1 all custom 10 dump.sw id fx fy fz
-dump_modify     1 format "%d %20.15g  %20.15g %20.15g"
 
 run		1