diff --git a/src/toolbox_scs/detectors/hrixs.py b/src/toolbox_scs/detectors/hrixs.py
index 9566b28ce384ba23acf08556c9548a8688aafb52..df03f3656f516bc081d49bc952b3d94501ed0c5e 100644
--- a/src/toolbox_scs/detectors/hrixs.py
+++ b/src/toolbox_scs/detectors/hrixs.py
@@ -294,8 +294,7 @@ class hRIXS:
 
     METHOD = 'centroid'  # ['centroid', 'integral']
 
-    FIELDS = ['hRIXS_det', 'Delay', 'hRIXS_index',
-              'hRIXS_delay', 'hRIXS_norm']
+    FIELDS = ['hRIXS_det', 'hRIXS_index', 'hRIXS_delay', 'hRIXS_norm']
 
     def set_params(self, **params):
         for key, value in params.items():