diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index f7dd4294fc..a6f442316a 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -308,6 +308,7 @@ add_library(core STATIC
     hle/service/am/applets/applet_general_backend.h
     hle/service/am/applets/applet_mii_edit.cpp
     hle/service/am/applets/applet_mii_edit.h
+    hle/service/am/applets/applet_mii_edit_types.h
     hle/service/am/applets/applet_profile_select.cpp
     hle/service/am/applets/applet_profile_select.h
     hle/service/am/applets/applet_software_keyboard.cpp
diff --git a/src/core/hle/service/am/applets/applet_mii_edit.cpp b/src/core/hle/service/am/applets/applet_mii_edit.cpp
index ec57d98bd7..769c3c3eb4 100644
--- a/src/core/hle/service/am/applets/applet_mii_edit.cpp
+++ b/src/core/hle/service/am/applets/applet_mii_edit.cpp
@@ -8,6 +8,7 @@
 #include "core/frontend/applets/mii_edit.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applet_mii_edit.h"
+#include "core/hle/service/mii/mii_manager.h"
 #include "core/reporter.h"
 
 namespace Service::AM::Applets {
@@ -89,7 +90,7 @@ void MiiEdit::DisplayCompleted(const Core::Frontend::MiiParameters& parameters)
 
     std::vector<u8> reply(sizeof(AppletOutputForCharInfoEditing));
     output_data = {
-        .result = ResultSuccess,
+        .result = 0,
         .mii_data = parameters.mii_data,
     };
 
diff --git a/src/core/hle/service/am/applets/applet_mii_edit.h b/src/core/hle/service/am/applets/applet_mii_edit.h
index 828f28da43..2b4b27c8f8 100644
--- a/src/core/hle/service/am/applets/applet_mii_edit.h
+++ b/src/core/hle/service/am/applets/applet_mii_edit.h
@@ -4,65 +4,16 @@
 
 #pragma once
 
-#include <array>
-
 #include "core/hle/result.h"
+#include "core/hle/service/am/applets/applet_mii_edit_types.h"
 #include "core/hle/service/am/applets/applets.h"
-#include "core/hle/service/mii/mii_manager.h"
 
 namespace Core {
 class System;
-}
+} // namespace Core
 
 namespace Service::AM::Applets {
 
-// This is nn::mii::AppletMode
-enum class MiiAppletMode : u32 {
-    ShowMiiEdit = 0,
-    AppendMii = 1,
-    AppendMiiImage = 2,
-    UpdateMiiImage = 3,
-    CreateMii = 4,
-    EditMii = 5,
-};
-
-struct MiiCharInfo {
-    Service::Mii::MiiInfo mii_data{};
-    INSERT_PADDING_BYTES(0x28);
-};
-static_assert(sizeof(MiiCharInfo) == 0x80, "MiiCharInfo has incorrect size.");
-
-// This is nn::mii::AppletInput
-struct MiiAppletInput {
-    s32 version{};
-    MiiAppletMode applet_mode{};
-    u32 special_mii_key_code{};
-    union {
-        std::array<Common::UUID, 8> valid_uuid;
-        MiiCharInfo mii_char_info;
-    };
-    Common::UUID used_uuid;
-    INSERT_PADDING_BYTES(0x64);
-};
-static_assert(sizeof(MiiAppletInput) == 0x100, "MiiAppletInput has incorrect size.");
-
-// This is nn::mii::AppletOutput
-struct MiiAppletOutput {
-    ResultCode result{ResultSuccess};
-    s32 index{};
-    INSERT_PADDING_BYTES(0x18);
-};
-static_assert(sizeof(MiiAppletOutput) == 0x20, "MiiAppletOutput has incorrect size.");
-
-// This is nn::mii::AppletOutputForCharInfoEditing
-struct AppletOutputForCharInfoEditing {
-    ResultCode result{ResultSuccess};
-    Service::Mii::MiiInfo mii_data{};
-    INSERT_PADDING_BYTES(0x24);
-};
-static_assert(sizeof(AppletOutputForCharInfoEditing) == 0x80,
-              "AppletOutputForCharInfoEditing has incorrect size.");
-
 class MiiEdit final : public Applet {
 public:
     explicit MiiEdit(Core::System& system_, LibraryAppletMode applet_mode_,
@@ -80,11 +31,12 @@ public:
 
 private:
     const Core::Frontend::MiiEditApplet& frontend;
+    Core::System& system;
+
     MiiAppletInput input_data{};
     AppletOutputForCharInfoEditing output_data{};
 
-    bool is_complete = false;
-    Core::System& system;
+    bool is_complete{false};
 };
 
 } // namespace Service::AM::Applets
diff --git a/src/core/hle/service/am/applets/applet_mii_edit_types.h b/src/core/hle/service/am/applets/applet_mii_edit_types.h
new file mode 100644
index 0000000000..7b8b352549
--- /dev/null
+++ b/src/core/hle/service/am/applets/applet_mii_edit_types.h
@@ -0,0 +1,62 @@
+// Copyright 2022 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "core/hle/service/mii/types.h"
+
+namespace Service::AM::Applets {
+
+// This is nn::mii::AppletMode
+enum class MiiAppletMode : u32 {
+    ShowMiiEdit = 0,
+    AppendMii = 1,
+    AppendMiiImage = 2,
+    UpdateMiiImage = 3,
+    CreateMii = 4,
+    EditMii = 5,
+};
+
+struct MiiCharInfo {
+    Service::Mii::MiiInfo mii_data{};
+    INSERT_PADDING_BYTES(0x28);
+};
+static_assert(sizeof(MiiCharInfo) == 0x80, "MiiCharInfo has incorrect size.");
+
+// This is nn::mii::AppletInput
+struct MiiAppletInput {
+    s32 version{};
+    MiiAppletMode applet_mode{};
+    u32 special_mii_key_code{};
+    union {
+        std::array<Common::UUID, 8> valid_uuid;
+        MiiCharInfo mii_char_info;
+    };
+    Common::UUID used_uuid;
+    INSERT_PADDING_BYTES(0x64);
+};
+static_assert(sizeof(MiiAppletInput) == 0x100, "MiiAppletInput has incorrect size.");
+
+// This is nn::mii::AppletOutput
+struct MiiAppletOutput {
+    u32 result{};
+    s32 index{};
+    INSERT_PADDING_BYTES(0x18);
+};
+static_assert(sizeof(MiiAppletOutput) == 0x20, "MiiAppletOutput has incorrect size.");
+
+// This is nn::mii::AppletOutputForCharInfoEditing
+struct AppletOutputForCharInfoEditing {
+    u32 result{};
+    Service::Mii::MiiInfo mii_data{};
+    INSERT_PADDING_BYTES(0x24);
+};
+static_assert(sizeof(AppletOutputForCharInfoEditing) == 0x80,
+              "AppletOutputForCharInfoEditing has incorrect size.");
+
+} // namespace Service::AM::Applets