diff --git a/scripts/create_properties_python.py b/scripts/create_properties_python.py
index 94207f1..f763920 100755
--- a/scripts/create_properties_python.py
+++ b/scripts/create_properties_python.py
@@ -51,10 +51,6 @@ for filename in files:
         dims[current_prop] = line.split(':')[1].strip()
 
 
-import numerical_derivatives as deriv
-properties += map(lambda x: ["double precision", "d_var_"+x.lower(), "(size_d_var_"+x.lower()+")"], deriv.vectors)
-properties += map(lambda x: ["double precision", "d_var_"+x.lower(), "(7)"], deriv.scalars)
-
 
 def sq(item):
   return [item[0], item[1]+"_2", item[2]]
diff --git a/src/ZMQ/qmc.irp.f b/src/ZMQ/qmc.irp.f
index 3363808..d2190cd 100644
--- a/src/ZMQ/qmc.irp.f
+++ b/src/ZMQ/qmc.irp.f
@@ -60,7 +60,6 @@ subroutine run_qmc(cpu0)
  use f77_zmq
  implicit none
  include '../types.F'
- include '../deriv_var.F'
  
  integer*8                      :: cpu0
  integer                        :: isize, i, j, ierr