diff --git a/src/callbacks.jl b/src/callbacks.jl
index 26a5bf498..142ac93bb 100644
--- a/src/callbacks.jl
+++ b/src/callbacks.jl
@@ -614,13 +614,8 @@ end
         integrator.u_modified = true
         callback.affect!(integrator)
         if integrator.u_modified
-            if hasmethod(reeval_internals_due_to_modification!,
-                Tuple{typeof(integrator), Bool}, (:callback_initializealg,))
-                reeval_internals_due_to_modification!(
-                    integrator, false, callback_initializealg = callback.initializealg)
-            else # handle legacy dispatch without kwarg
-                reeval_internals_due_to_modification!(integrator, false)
-            end
+            reeval_internals_due_to_modification!(
+                integrator, false, callback_initializealg = callback.initializealg)
         end
         @inbounds if callback.save_positions[2]
             savevalues!(integrator, true)