diff --git a/script/test/HoloFlyScan.py b/script/test/HoloFlyScan.py
index 6e65aa30..5cebabee 100644
--- a/script/test/HoloFlyScan.py
+++ b/script/test/HoloFlyScan.py
@@ -41,7 +41,6 @@ THETA_NSTEPS = int((THETA_RANGE[1] - THETA_RANGE[0]) / THETA_STEP) + 1
 theta_time = scienta_time * THETA_NSTEPS
 print "theta_time: ", theta_time
 
-PHI_STEP = 40.0
 PHI_NSTEPS = int((PHI_RANGE[1] - PHI_RANGE[0]) / PHI_STEP) + 1
 phi_positions = [PHI_RANGE[0] + PHI_STEP * i for i in range(PHI_NSTEPS)]
 print "phi_positions: ", phi_positions