diff --git a/Source/Core/Core/IOS/ES/ES.cpp b/Source/Core/Core/IOS/ES/ES.cpp
index f11ad5d78e..9c823e9a4f 100644
--- a/Source/Core/Core/IOS/ES/ES.cpp
+++ b/Source/Core/Core/IOS/ES/ES.cpp
@@ -120,13 +120,13 @@ void ESDevice::InitializeEmulationState()
   auto& system = Core::System::GetInstance();
   auto& core_timing = system.GetCoreTiming();
   s_finish_init_event = core_timing.RegisterEvent(
-      "IOS-ESFinishInit", [](Core::System& system, u64, s64) { GetIOS()->GetES()->FinishInit(); });
+      "IOS-ESFinishInit", [](Core::System& system_, u64, s64) { GetIOS()->GetES()->FinishInit(); });
   s_reload_ios_for_ppc_launch_event = core_timing.RegisterEvent(
-      "IOS-ESReloadIOSForPPCLaunch", [](Core::System& system, u64 ios_id, s64) {
+      "IOS-ESReloadIOSForPPCLaunch", [](Core::System& system_, u64 ios_id, s64) {
         GetIOS()->GetES()->LaunchTitle(ios_id, HangPPC::Yes);
       });
   s_bootstrap_ppc_for_launch_event =
-      core_timing.RegisterEvent("IOS-ESBootstrapPPCForLaunch", [](Core::System& system, u64, s64) {
+      core_timing.RegisterEvent("IOS-ESBootstrapPPCForLaunch", [](Core::System& system_, u64, s64) {
         GetIOS()->GetES()->BootstrapPPC();
       });
 }
diff --git a/Source/Core/Core/IOS/IOS.cpp b/Source/Core/Core/IOS/IOS.cpp
index b98aac1a51..cfe5faa607 100644
--- a/Source/Core/Core/IOS/IOS.cpp
+++ b/Source/Core/Core/IOS/IOS.cpp
@@ -922,7 +922,7 @@ void Init()
   auto& core_timing = system.GetCoreTiming();
 
   s_event_enqueue =
-      core_timing.RegisterEvent("IPCEvent", [](Core::System& system, u64 userdata, s64) {
+      core_timing.RegisterEvent("IPCEvent", [](Core::System& system_, u64 userdata, s64) {
         if (s_ios)
           s_ios->HandleIPCEvent(userdata);
       });
@@ -933,7 +933,7 @@ void Init()
       core_timing.RegisterEvent("IOSFinishPPCBootstrap", FinishPPCBootstrap);
 
   s_event_finish_ios_boot =
-      core_timing.RegisterEvent("IOSFinishIOSBoot", [](Core::System& system, u64 ios_title_id,
+      core_timing.RegisterEvent("IOSFinishIOSBoot", [](Core::System& system_, u64 ios_title_id,
                                                        s64) { FinishIOSBoot(ios_title_id); });
 
   DIDevice::s_finish_executing_di_command =