diff --git a/exoctk/contam_visibility/_fieldSim.py b/exoctk/contam_visibility/_fieldSim.py
deleted file mode 100644
index 3d7f4063..00000000
--- a/exoctk/contam_visibility/_fieldSim.py
+++ /dev/null
@@ -1,50 +0,0 @@
-"""UNDER CONSTRUCTION"""
-
-import glob
-import os
-import pysiaf
-
-import astropy.coordinates as crd
-import astropy.units as u
-import matplotlib.pyplot as plt
-import numpy as np
-from astroquery.irsa import Irsa
-from matplotlib import cm
-from scipy.io import readsav
-from astropy.io import fits
-from exoctk.utils import get_env_variables
-
-EXOCTK_DATA = os.environ.get('EXOCTK_DATA')
-if not EXOCTK_DATA:
-    print('WARNING: The $EXOCTK_DATA environment variable is not set. '
-          'Contamination overlap will not work. Please set the '
-          'value of this variable to point to the location of the exoctk_data '
-          'download folder.  Users may retreive this folder by clicking the '
-          '"ExoCTK Data Download" button on the ExoCTK website, or by using '
-          'the exoctk.utils.download_exoctk_data() function.'
-          )
-    TRACES_PATH = None
-else:
-    TRACES_PATH = os.path.join(EXOCTK_DATA,  'exoctk_contam', 'traces')
-
-
-class fieldSim:
-    def __init__(self, RA, DEC, INSTRUMENT):
-        self.ra = RA
-        self.dec = DEC
-        self.instrument = INSTRUMENT
-
-        if 'NIRCam' in self.instrument:
-            siaf = pysiaf.Siaf('NIRCam')
-            dimX, dimY = 51, 1343
-            rad = 2.5
-            pixel_scale = siaf.
-            xSweet, ySweet = siaf. , siaf.
-        elif 'MIRI' in self.instrument:
-            siaf = pysiaf.Siaf('MIRI')
-            dimX, dimY = 51, 1343
-            rad = 2.5
-            pixel_scale = siaf.
-            xSweet, ySweet = siaf. , siaf.
-
-    def getStars(self, ):