diff --git a/src/plugins/headers.jl b/src/plugins/headers.jl
index 86b475401..0f19ecff5 100644
--- a/src/plugins/headers.jl
+++ b/src/plugins/headers.jl
@@ -132,7 +132,7 @@ Returns a `Vector{Noise}` of noises sampled conditionally on the `state` using
 function sample_backward_noise_terms_with_state(
     sampler::AbstractBackwardSamplingScheme,
     node::Node,
-    state::Dict{Symbol,Float64},
+   ::Dict{Symbol,Float64},
 )
     return sample_backward_noise_terms(sampler, node)
 end