diff --git a/src/xenia/kernel/xam/xam_net.cc b/src/xenia/kernel/xam/xam_net.cc
index 2b1d1bd70..69a5b19bc 100644
--- a/src/xenia/kernel/xam/xam_net.cc
+++ b/src/xenia/kernel/xam/xam_net.cc
@@ -1083,8 +1083,8 @@ dword_result_t NetDll_XNetRegisterKey_entry(dword_t caller, lpdword_t key_id,
 }
 DECLARE_XAM_EXPORT1(NetDll_XNetRegisterKey, kNetworking, kStub);
 
-dword_result_t NetDll_XNetUnregisterKey_entry(dword_t caller, lpdword_t key_id,
-                                              lpdword_t exchange_key) {
+dword_result_t NetDll_XNetUnregisterKey_entry(dword_t caller,
+                                              lpdword_t key_id) {
   return 0;
 }
 DECLARE_XAM_EXPORT1(NetDll_XNetUnregisterKey, kNetworking, kStub);