diff --git a/tomcat_bec/scans/__init__.py b/tomcat_bec/scans/__init__.py
index b507b87..8556ccf 100644
--- a/tomcat_bec/scans/__init__.py
+++ b/tomcat_bec/scans/__init__.py
@@ -1,4 +1,4 @@
+from .tutorial_fly_scan import AcquireDark, AcquireFlat, TutorialFlyScanContLine
 from .gigafrost_test import GigaFrostStepScan
 from .tomcat_scanbase import SnapAndStepScanBase, GigaStepScanBase, SequenceScanBase, SimpleFlyer
-# from .tutorial_fly_scan import AcquireDark, AcquireFlat, TutorialFlyScanContLine
-from .tutorial_fly_scan import AcquireDark
\ No newline at end of file
+from .tutorial_fly_scan import AcquireDark, AcquireFlat, TutorialFlyScanContLine
diff --git a/tomcat_bec/scans/tutorial_fly_scan.py b/tomcat_bec/scans/tutorial_fly_scan.py
index eef64f3..ead9ae4 100644
--- a/tomcat_bec/scans/tutorial_fly_scan.py
+++ b/tomcat_bec/scans/tutorial_fly_scan.py
@@ -7,13 +7,8 @@ from bec_server.scan_server.scans import Acquire, AsyncFlyScanBase
 
 class AcquireDark(Acquire):
     scan_name = "acquire_dark"
-    required_kwargs = ["exp_time", "num"]
-    gui_config = {
-        "Acquisition parameters" : ["exp_time", "num"]
-    }
 
-
-    def __init__(self, num: int, exp_time: float, **kwargs):
+    def __init__(self, num: int, **kwargs):
         """
         Acquire a dark image. This scan is used to acquire a dark image. The dark image is an image taken with the shutter
         closed and no beam on the sample. The dark image is used to correct the data images for dark current.
@@ -30,7 +25,7 @@ class AcquireDark(Acquire):
         """
         super().__init__(**kwargs)
         self.burst_at_each_point = num
-        self.shutter = "eyex"  # change to the correct shutter device
+        self.shutter = "hx"  # change to the correct shutter device
 
     def scan_core(self):
         # close the shutter