diff --git a/src/fenicsxconcrete/finite_element_problem/linear_elasticity.py b/src/fenicsxconcrete/finite_element_problem/linear_elasticity.py
index e2c3fef..dd6621f 100644
--- a/src/fenicsxconcrete/finite_element_problem/linear_elasticity.py
+++ b/src/fenicsxconcrete/finite_element_problem/linear_elasticity.py
@@ -6,7 +6,7 @@
 
 from fenicsxconcrete.experimental_setup import CantileverBeam, Experiment
 from fenicsxconcrete.finite_element_problem.base_material import MaterialProblem, QuadratureFields, SolutionFields
-from fenicsxconcrete.util import Parameters, ureg
+from fenicsxconcrete.util import ureg
 
 
 class LinearElasticity(MaterialProblem):
@@ -100,7 +100,6 @@ def parameter_description() -> dict[str, str]:
             "nu": "Poissons Ratio",
             "stress_state": "for 2D plain stress or plane strain",
             "degree": "Polynomial degree for the FEM model",
-            "dt": "time step",
         }
 
         return description
@@ -134,7 +133,7 @@ def sigma(self, u: ufl.argument.Argument) -> ufl.core.expr.Expr:
 
     def solve(self) -> None:
         self.update_time()
-        self.logger.info(f"solving t={self.time}")
+        self.logger.info("solving t=%s", self.time)
         self.weak_form_problem.solve()
 
         # TODO Defined as abstractmethod. Should it depend on sensor instead of material?