diff --git a/slic/devices/beamline/__init__.py b/slic/devices/beamline/__init__.py
index e38c9e2d..cb7ab70a 100644
--- a/slic/devices/beamline/__init__.py
+++ b/slic/devices/beamline/__init__.py
@@ -23,20 +23,4 @@ class BeamlineSwissfel:
         print(linker.join(s))
 
 
-class Slits:
-
-    def __init__(self, slits):
-        self.slits = slits
-
-    def __repr__(self):
-        o = []
-
-        for s in self.slits:
-            o.append(s.name)
-            tr = s.__repr__()
-            for line in tr.splitlines():
-                o.append("  " + line)
-        return "\n".join(o)
-
-
 
diff --git a/slic/devices/xoptics/slitcollection.py b/slic/devices/xoptics/slitcollection.py
new file mode 100644
index 00000000..0373864c
--- /dev/null
+++ b/slic/devices/xoptics/slitcollection.py
@@ -0,0 +1,17 @@
+
+class SlitCollection:
+
+    def __init__(self, slits):
+        self.slits = slits
+
+    def __repr__(self):
+        o = []
+        for s in self.slits:
+            o.append(s.name)
+            tr = repr(s)
+            for line in tr.splitlines():
+                o.append("  " + line)
+        return "\n".join(o)
+
+
+