diff --git a/swmmanywhere/parameters.py b/swmmanywhere/parameters.py
index 7747c61f..8363664f 100644
--- a/swmmanywhere/parameters.py
+++ b/swmmanywhere/parameters.py
@@ -12,13 +12,12 @@
 
 def get_full_parameters():
     """Get the full set of parameters."""
-    full_parameters = {
+    return {
         "subcatchment_derivation": SubcatchmentDerivation(),
         "outlet_derivation": OutletDerivation(),
         "topology_derivation": TopologyDerivation(),
         "hydraulic_design": HydraulicDesign()
     }
-    return full_parameters
 
 class SubcatchmentDerivation(BaseModel):
     """Parameters for subcatchment derivation."""