diff --git a/csaxs_bec/bec_ipython_client/plugins/flomni/flomni_optics_mixin.py b/csaxs_bec/bec_ipython_client/plugins/flomni/flomni_optics_mixin.py
index 5d54086..0ac68d8 100644
--- a/csaxs_bec/bec_ipython_client/plugins/flomni/flomni_optics_mixin.py
+++ b/csaxs_bec/bec_ipython_client/plugins/flomni/flomni_optics_mixin.py
@@ -150,7 +150,6 @@ class FlomniOpticsMixin:
         # --- expected IN positions ---
         foptx_in = self._get_user_param_safe("foptx", "in")
         fopty_in = self._get_user_param_safe("fopty", "in")
-        foptz_in = self._get_user_param_safe("foptz", "in")
 
         # --- expected OUT condition for the X-ray eye ---
         # eye is OUT when it is *not within tolerance* of its IN position
@@ -161,7 +160,6 @@ class FlomniOpticsMixin:
 
         cx_foptx = dev.foptx.readback.get()
         cx_fopty = dev.fopty.readback.get()
-        cx_foptz = dev.foptz.readback.get()
 
         # --- check eye OUT ---
         eye_out = (
@@ -171,8 +169,7 @@ class FlomniOpticsMixin:
         # --- check optics IN ---
         optics_in = (
             np.isclose(cx_foptx, foptx_in, atol=tol) and
-            np.isclose(cx_fopty, fopty_in, atol=tol) and
-            np.isclose(cx_foptz, foptz_in, atol=tol)
+            np.isclose(cx_fopty, fopty_in, atol=tol)
         )
 
         fosax_in = self._get_user_param_safe("fosax", "in")