diff --git a/src/blox/cortical.jl b/src/blox/cortical.jl
index d09f1d64..3b465588 100644
--- a/src/blox/cortical.jl
+++ b/src/blox/cortical.jl
@@ -89,6 +89,7 @@ struct LIFExciCircuitBlox <: CompositeBlox
     parts
     odesystem
     connector
+    kwargs
 
     function LIFExciCircuitBlox(;
         name, 
@@ -157,7 +158,7 @@ struct LIFExciCircuitBlox <: CompositeBlox
         
         sys = isnothing(namespace) ? system_from_graph(g, bc; name) : system_from_parts(neurons; name)
 
-        new(namespace, neurons, sys, bc)
+        new(namespace, neurons, sys, bc, kwargs)
     end
 end
 
@@ -166,6 +167,7 @@ struct LIFInhCircuitBlox <: CompositeBlox
     parts
     odesystem
     connector
+    kwargs
 
     function LIFInhCircuitBlox(;
         name, 
@@ -230,6 +232,6 @@ struct LIFInhCircuitBlox <: CompositeBlox
         
         sys = isnothing(namespace) ? system_from_graph(g, bc; name) : system_from_parts(neurons; name)
 
-        new(namespace, neurons, sys, bc)
+        new(namespace, neurons, sys, bc, kwargs)
     end
 end
diff --git a/src/blox/sources.jl b/src/blox/sources.jl
index 5a973c8c..4bcea1c6 100644
--- a/src/blox/sources.jl
+++ b/src/blox/sources.jl
@@ -1,5 +1,3 @@
-@parameters t
-
 # Simple input blox
 mutable struct ExternalInput <: StimulusBlox
     namespace