diff --git a/src/common/container_hash.h b/src/common/container_hash.h
index b6d8e02e26..a5e3577452 100644
--- a/src/common/container_hash.h
+++ b/src/common/container_hash.h
@@ -1,12 +1,7 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: 2005-2014 Daniel James
 // SPDX-FileCopyrightText: 2016 Austin Appleby
 // SPDX-License-Identifier: BSL-1.0
 
-#pragma once
-
 #include <array>
 #include <climits>
 #include <cstdint>
diff --git a/src/core/arm/dynarmic/arm_dynarmic.h b/src/core/arm/dynarmic/arm_dynarmic.h
index 8e6b1d9766..46384f7e6d 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.h
+++ b/src/core/arm/dynarmic/arm_dynarmic.h
@@ -1,11 +1,9 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include <dynarmic/interface/halt_reason.h>
 
 #include "core/arm/arm_interface.h"
diff --git a/src/core/arm/nce/instructions.h b/src/core/arm/nce/instructions.h
index 451778df65..ada0da9559 100644
--- a/src/core/arm/nce/instructions.h
+++ b/src/core/arm/nce/instructions.h
@@ -1,11 +1,9 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2020 Skyline Team and Contributors
 // SPDX-License-Identifier: MPL-2.0
 
-#pragma once
-
 #include "common/bit_field.h"
 #include "common/common_types.h"
 
diff --git a/src/core/file_sys/vfs/vfs_real.cpp b/src/core/file_sys/vfs/vfs_real.cpp
index ff8808af85..1eafff6c06 100644
--- a/src/core/file_sys/vfs/vfs_real.cpp
+++ b/src/core/file_sys/vfs/vfs_real.cpp
@@ -33,7 +33,7 @@ namespace FS = Common::FS;
 
 namespace {
 
-constexpr size_t MaxOpenFiles = 8192;
+constexpr size_t MaxOpenFiles = 512;
 
 constexpr FS::FileAccessMode ModeFlagsToFileAccessMode(OpenMode mode) {
     switch (mode) {
diff --git a/src/core/hle/kernel/k_typed_address.h b/src/core/hle/kernel/k_typed_address.h
index d793d67a10..d57535ba01 100644
--- a/src/core/hle/kernel/k_typed_address.h
+++ b/src/core/hle/kernel/k_typed_address.h
@@ -1,11 +1,6 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "common/typed_address.h"
 
 namespace Kernel {
diff --git a/src/core/hle/service/nvnflinger/hos_binder_driver.h b/src/core/hle/service/nvnflinger/hos_binder_driver.h
index 6b551c91d2..b7fb07bd2e 100644
--- a/src/core/hle/service/nvnflinger/hos_binder_driver.h
+++ b/src/core/hle/service/nvnflinger/hos_binder_driver.h
@@ -1,11 +1,6 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/service.h"
 
diff --git a/src/core/hle/service/olsc/daemon_controller.h b/src/core/hle/service/olsc/daemon_controller.h
index 5f978ab153..fc7dd7bbcb 100644
--- a/src/core/hle/service/olsc/daemon_controller.h
+++ b/src/core/hle/service/olsc/daemon_controller.h
@@ -4,8 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include <ankerl/unordered_dense.h>
 
 #include "common/uuid.h"
diff --git a/src/core/hle/service/olsc/native_handle_holder.h b/src/core/hle/service/olsc/native_handle_holder.h
index e0eac50c28..985c60d1cb 100644
--- a/src/core/hle/service/olsc/native_handle_holder.h
+++ b/src/core/hle/service/olsc/native_handle_holder.h
@@ -4,8 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/service.h"
 
diff --git a/src/core/hle/service/olsc/olsc_service_for_application.h b/src/core/hle/service/olsc/olsc_service_for_application.h
index 8941659478..3f9ac7536a 100644
--- a/src/core/hle/service/olsc/olsc_service_for_application.h
+++ b/src/core/hle/service/olsc/olsc_service_for_application.h
@@ -1,11 +1,6 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/ns/ns_types.h"
 #include "core/hle/service/service.h"
diff --git a/src/core/hle/service/olsc/olsc_service_for_system_service.h b/src/core/hle/service/olsc/olsc_service_for_system_service.h
index d16c8b979b..447e37005e 100644
--- a/src/core/hle/service/olsc/olsc_service_for_system_service.h
+++ b/src/core/hle/service/olsc/olsc_service_for_system_service.h
@@ -4,8 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include <array>
 
 #include "common/uuid.h"
diff --git a/src/core/hle/service/olsc/remote_storage_controller.h b/src/core/hle/service/olsc/remote_storage_controller.h
index 21b439013a..bae1e8efb5 100644
--- a/src/core/hle/service/olsc/remote_storage_controller.h
+++ b/src/core/hle/service/olsc/remote_storage_controller.h
@@ -4,8 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/service.h"
 
diff --git a/src/core/hle/service/olsc/transfer_task_list_controller.h b/src/core/hle/service/olsc/transfer_task_list_controller.h
index 4ac770b477..72dbf610d8 100644
--- a/src/core/hle/service/olsc/transfer_task_list_controller.h
+++ b/src/core/hle/service/olsc/transfer_task_list_controller.h
@@ -4,8 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/service.h"
 
diff --git a/src/core/hle/service/ro/ro_results.h b/src/core/hle/service/ro/ro_results.h
index 906378bc7f..00f05c5a59 100644
--- a/src/core/hle/service/ro/ro_results.h
+++ b/src/core/hle/service/ro/ro_results.h
@@ -1,11 +1,6 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "core/hle/result.h"
 
 namespace Service::RO {
diff --git a/src/core/hle/service/ro/ro_types.h b/src/core/hle/service/ro/ro_types.h
index 8e88f43246..50b424395a 100644
--- a/src/core/hle/service/ro/ro_types.h
+++ b/src/core/hle/service/ro/ro_types.h
@@ -4,8 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "common/assert.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
diff --git a/src/core/hle/service/vi/application_display_service.h b/src/core/hle/service/vi/application_display_service.h
index a2eeb4c70c..1bdeb8f845 100644
--- a/src/core/hle/service/vi/application_display_service.h
+++ b/src/core/hle/service/vi/application_display_service.h
@@ -1,11 +1,6 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include <map>
 #include <set>
 
diff --git a/src/core/hle/service/vi/system_display_service.h b/src/core/hle/service/vi/system_display_service.h
index a3b88c519d..d6cc8c75f1 100644
--- a/src/core/hle/service/vi/system_display_service.h
+++ b/src/core/hle/service/vi/system_display_service.h
@@ -1,11 +1,9 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#pragma once
-
 #include "common/math_util.h"
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/nvnflinger/ui/fence.h"
diff --git a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.h b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.h
index 3084f3df4d..25608dbfe3 100644
--- a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.h
+++ b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.h
@@ -6,7 +6,6 @@
  * SPDX-License-Identifier: 0BSD
  */
 
-#pragma once
 #include <cstddef>
 
 namespace oaknut {
diff --git a/src/video_core/fence_manager.h b/src/video_core/fence_manager.h
index 1b11ff52d2..b9f5e1a9c0 100644
--- a/src/video_core/fence_manager.h
+++ b/src/video_core/fence_manager.h
@@ -76,12 +76,9 @@ public:
             TryReleasePendingFences<false>();
         }
         const bool should_flush = ShouldFlush();
-        const bool antiflicker_toggled = Settings::values.antiflicker.GetValue();
-        const bool delay_fence = Settings::IsGPULevelHigh() ||
-                                 (Settings::IsGPULevelMedium() && should_flush) ||
-                                 antiflicker_toggled;
+        const bool delay_fence = Settings::values.antiflicker.GetValue() || !Settings::IsGPULevelLow();
         CommitAsyncFlushes();
-        TFence new_fence = CreateFence(!should_flush && !antiflicker_toggled);
+        TFence new_fence = CreateFence(!should_flush && !delay_fence);
         if constexpr (can_async_check) {
             guard.lock();
         }