diff --git a/src/ess/sans/types.py b/src/ess/sans/types.py
index 4d80ea09..b3c14c2c 100644
--- a/src/ess/sans/types.py
+++ b/src/ess/sans/types.py
@@ -178,9 +178,7 @@ class TofData(sciline.Scope[ScatteringRunType, sc.DataArray], sc.DataArray):
     """Data with a time-of-flight coordinate"""
 
 
-class TofMonitor(
-    sciline.ScopeTwoParams[RunType, MonitorType, sc.DataGroup], sc.DataGroup
-):
+class TofMonitor(sciline.Scope[RunType, MonitorType, sc.DataGroup], sc.DataGroup):
     """Monitor data with a time-of-flight coordinate"""
 
 
@@ -196,7 +194,7 @@ class MonitorTerm(sciline.Scope[ScatteringRunType, sc.DataArray], sc.DataArray):
 
 
 class CleanWavelength(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
+    sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
 ):
     """
     Prerequisite for IofQ numerator or denominator.
@@ -208,50 +206,44 @@ class CleanWavelength(
 
 
 class WavelengthScaledQ(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
+    sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
 ):
     """Result of applying wavelength scaling/masking to :py:class:`CleanSummedQ`"""
 
 
 class WavelengthScaledQxy(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
+    sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
 ):
     """Result of applying wavelength scaling/masking to :py:class:`CleanSummedQxy`"""
 
 
-class CleanQ(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
-):
+class CleanQ(sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray):
     """Result of converting :py:class:`CleanWavelengthMasked` to Q"""
 
 
-class CleanQxy(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
-):
+class CleanQxy(sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray):
     """Result of converting :py:class:`CleanWavelengthMasked` to Qx and Qy"""
 
 
 class CleanSummedQ(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
+    sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
 ):
     """Result of histogramming/binning :py:class:`CleanQ` over all pixels into Q bins"""
 
 
 class CleanSummedQxy(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
+    sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
 ):
     """Result of histogramming/binning :py:class:`CleanQxy` over all pixels into Qx and
     Qy bins"""
 
 
-class ReducedQ(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
-):
+class ReducedQ(sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray):
     """Result of reducing :py:class:`CleanSummedQ` over the wavelength dimensions"""
 
 
 class ReducedQxy(
-    sciline.ScopeTwoParams[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
+    sciline.Scope[ScatteringRunType, IofQPart, sc.DataArray], sc.DataArray
 ):
     """Result of reducing :py:class:`CleanSummedQxy` over the wavelength dimensions"""
 
@@ -272,14 +264,12 @@ class IofQxy(sciline.Scope[ScatteringRunType, sc.DataArray], sc.DataArray):
 
 
 class WavelengthMonitor(
-    sciline.ScopeTwoParams[RunType, MonitorType, sc.DataArray], sc.DataArray
+    sciline.Scope[RunType, MonitorType, sc.DataArray], sc.DataArray
 ):
     """Monitor data converted to wavelength"""
 
 
-class CleanMonitor(
-    sciline.ScopeTwoParams[RunType, MonitorType, sc.DataArray], sc.DataArray
-):
+class CleanMonitor(sciline.Scope[RunType, MonitorType, sc.DataArray], sc.DataArray):
     """Monitor data cleaned of background counts"""