diff --git a/org/qmckl_distance.org b/org/qmckl_distance.org
index 404d0e9..509e679 100644
--- a/org/qmckl_distance.org
+++ b/org/qmckl_distance.org
@@ -264,7 +264,6 @@ integer(qmckl_exit_code) function test_qmckl_distance_sq(context) bind(C)
 
   use qmckl
   use qmckl_verificarlo_f
-  use iso_c_binding
 
   implicit none
 
@@ -649,7 +648,6 @@ integer(qmckl_exit_code) function test_qmckl_dist(context) bind(C)
 
   use qmckl
   use qmckl_verificarlo_f
-  use iso_c_binding
 
   implicit none
 
@@ -1120,7 +1118,6 @@ print(en_distance_rescaled)
 integer(qmckl_exit_code) function test_qmckl_dist_rescaled(context) bind(C)
 
   use qmckl
-  use iso_c_binding
 
   implicit none