diff --git a/lib/hound/session_server.ex b/lib/hound/session_server.ex
index 95caa5e..a4ade02 100644
--- a/lib/hound/session_server.ex
+++ b/lib/hound/session_server.ex
@@ -50,7 +50,7 @@ defmodule Hound.SessionServer do
 
 
   def destroy_sessions_for_pid(pid) do
-    GenServer.call(@name, {:destroy_sessions, pid}, 60000)
+    GenServer.cast(@name, {:destroy_sessions, pid}, 60000)
   end
 
   ## Callbacks
@@ -87,9 +87,9 @@ defmodule Hound.SessionServer do
     error -> {:reply, {:error, error}, state}
   end
 
-  def handle_call({:destroy_sessions, pid}, _from, state) do
+  def handle_cast({:destroy_sessions, pid}, state) do
     destroy_sessions(pid)
-    {:reply, :ok, state}
+    {:noreply, state}
   end
 
   def handle_info({:DOWN, ref, _, _, _}, state) do