diff --git a/src/treetensornetworks/solvers/applyexp.jl b/src/treetensornetworks/solvers/applyexp.jl
index f18e8091..6e84036e 100644
--- a/src/treetensornetworks/solvers/applyexp.jl
+++ b/src/treetensornetworks/solvers/applyexp.jl
@@ -21,12 +21,7 @@ struct ApplyExpInfo
   converged::Int
 end
 
-function applyexp(H, tau::Number, x0; kwargs...)
-  maxiter = get(kwargs, :maxiter, 30)
-  tol = get(kwargs, :tol, 1E-12)
-  outputlevel = get(kwargs, :outputlevel, 0)
-  beta_tol = get(kwargs, :normcutoff, 1E-7)
-
+function applyexp(H, tau::Number, x0; maxiter=30, tol=1e-12, outputlevel=0, normcutoff=1e-7)
   # Initialize Lanczos vectors
   v1 = copy(x0)
   nrm = norm(v1)