diff --git a/src/dynarmic/CMakeLists.txt b/src/dynarmic/CMakeLists.txt
index bacbd7ab57..0837a502cf 100644
--- a/src/dynarmic/CMakeLists.txt
+++ b/src/dynarmic/CMakeLists.txt
@@ -11,34 +11,15 @@ set(dynarmic_VERSION ${dynarmic_VERSION_MAJOR}.${dynarmic_VERSION_MINOR}.${dynar
 
 project(dynarmic LANGUAGES C CXX ASM VERSION ${dynarmic_VERSION})
 
-# Determine if we're built as a subproject (using add_subdirectory)
-# or if this is the master project.
-set(MASTER_PROJECT OFF)
-if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
-  set(MASTER_PROJECT ON)
-endif()
-
-if (MASTER_PROJECT)
-    include(CTest)
-endif()
-
-# Dynarmic project options
-option(DYNARMIC_ENABLE_CPU_FEATURE_DETECTION "Turning this off causes dynarmic to assume the host CPU doesn't support anything later than SSE3" ON)
-
 if (OPENBSD OR DRAGONFLY OR NETBSD)
     set(REQUIRE_WX ON)
 else()
     set(REQUIRE_WX OFF)
 endif()
 option(DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT "Enables support for systems that require W^X" ${REQUIRE_WX})
-
-option(DYNARMIC_IGNORE_ASSERTS "Ignore asserts" ON)
 option(DYNARMIC_TESTS_USE_UNICORN "Enable fuzzing tests against unicorn" OFF)
 CMAKE_DEPENDENT_OPTION(DYNARMIC_USE_LLVM "Support disassembly of jitted x86_64 code using LLVM" OFF "NOT YUZU_DISABLE_LLVM" OFF)
 
-option(DYNARMIC_INSTALL "Install dynarmic headers and CMake files" OFF)
-option(DYNARMIC_USE_BUNDLED_EXTERNALS "Use all bundled externals (useful when e.g. cross-compiling)" OFF)
-
 # Set hard requirements for C++
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -88,7 +69,7 @@ if (MSVC)
              -Wno-missing-braces)
     endif()
 else()
-    set(DYNARMIC_CXX_FLAGS
+    list(APPEND DYNARMIC_CXX_FLAGS
         -Wall
         -Wextra
         -Wcast-qual
@@ -103,37 +84,35 @@ else()
         # to Address& after first checking isMEM(), and that code is inlined in a situation where
         # GCC knows that the variable is actually a Reg64.  isMEM() will never return true for a
         # Reg64, but GCC doesn't know that.
-        list(APPEND DYNARMIC_CXX_FLAGS -Wno-array-bounds)
-        list(APPEND DYNARMIC_CXX_FLAGS -Wstack-usage=4096)
+        list(APPEND DYNARMIC_CXX_FLAGS
+            -Wno-array-bounds
+            -Wstack-usage=4096)
     endif()
     if (CXX_CLANG)
-        # Bracket depth determines maximum size of a fold expression in Clang since 9c9974c3ccb6.
-        # And this in turns limits the size of a std::array.
-        list(APPEND DYNARMIC_CXX_FLAGS -fbracket-depth=1024)
-        # Clang mistakenly blames CMake for using unused arguments during compilation
-        list(APPEND DYNARMIC_CXX_FLAGS -Wno-unused-command-line-argument)
+        list(APPEND DYNARMIC_CXX_FLAGS
+            # Bracket depth determines maximum size of a fold expression in Clang since 9c9974c3ccb6.
+            # And this in turns limits the size of a std::array.
+            -fbracket-depth=1024
+            # Clang mistakenly blames CMake for using unused arguments during compilation
+            -Wno-unused-command-line-argument)
     endif()
 endif()
 
 if (NOT Boost_FOUND)
     find_package(Boost 1.57 REQUIRED)
 endif()
-
 find_package(fmt 8 CONFIG)
 
-if ("arm64" IN_LIST ARCHITECTURE OR DYNARMIC_TESTS)
+if (ARCHITECTURE_arm64)
     find_package(oaknut 2.0.1 CONFIG)
 endif()
-
-if ("riscv64" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_riscv64)
     find_package(biscuit 0.9.1 REQUIRED)
 endif()
-
-if ("loongarch64" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_loongarch64)
     find_package(lagoon REQUIRED)
 endif()
-
-if ("x86_64" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_x86_64)
     find_package(xbyak 7 CONFIG)
 endif()
 
@@ -142,44 +121,12 @@ if (DYNARMIC_USE_LLVM)
     separate_arguments(LLVM_DEFINITIONS)
 endif()
 
+# Dynarmic project files
+add_subdirectory(src/dynarmic)
 if (DYNARMIC_TESTS)
     find_package(Catch2 3 CONFIG)
     if (DYNARMIC_TESTS_USE_UNICORN)
         find_package(Unicorn REQUIRED)
     endif()
-endif()
-
-# Dynarmic project files
-add_subdirectory(src/dynarmic)
-if (DYNARMIC_TESTS)
     add_subdirectory(tests)
 endif()
-
-#
-# Install
-#
-if (DYNARMIC_INSTALL)
-    include(GNUInstallDirs)
-    include(CMakePackageConfigHelpers)
-
-    install(TARGETS dynarmic EXPORT dynarmicTargets)
-    install(EXPORT dynarmicTargets
-        NAMESPACE dynarmic::
-        DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/dynarmic"
-    )
-
-    configure_package_config_file(CMakeModules/dynarmicConfig.cmake.in
-        dynarmicConfig.cmake
-        INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/dynarmic"
-    )
-    write_basic_package_version_file(dynarmicConfigVersion.cmake
-        COMPATIBILITY SameMajorVersion
-    )
-    install(FILES
-        "${CMAKE_CURRENT_BINARY_DIR}/dynarmicConfig.cmake"
-        "${CMAKE_CURRENT_BINARY_DIR}/dynarmicConfigVersion.cmake"
-        DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/dynarmic"
-    )
-
-    install(DIRECTORY src/dynarmic TYPE INCLUDE FILES_MATCHING PATTERN "*.h")
-endif()
diff --git a/src/dynarmic/CMakeModules/TargetArchitectureSpecificSources.cmake b/src/dynarmic/CMakeModules/TargetArchitectureSpecificSources.cmake
deleted file mode 100644
index 7af6cc518b..0000000000
--- a/src/dynarmic/CMakeModules/TargetArchitectureSpecificSources.cmake
+++ /dev/null
@@ -1,29 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-function(target_architecture_specific_sources project arch)
-    if (NOT MULTIARCH_BUILD)
-        target_sources("${project}" PRIVATE ${ARGN})
-        return()
-    endif()
-
-    foreach(input_file IN LISTS ARGN)
-        if(input_file MATCHES ".cpp$")
-            if(NOT IS_ABSOLUTE ${input_file})
-                set(input_file "${CMAKE_CURRENT_SOURCE_DIR}/${input_file}")
-            endif()
-
-            set(output_file "${CMAKE_CURRENT_BINARY_DIR}/arch_gen/${input_file}")
-            add_custom_command(
-                OUTPUT "${output_file}"
-                COMMAND ${CMAKE_COMMAND} "-Darch=${arch}"
-                                         "-Dinput_file=${input_file}"
-                                         "-Doutput_file=${output_file}"
-                                         -P "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/impl/TargetArchitectureSpecificSourcesWrapFile.cmake"
-                DEPENDS "${input_file}"
-                VERBATIM
-            )
-            target_sources(${project} PRIVATE "${output_file}")
-        endif()
-    endforeach()
-endfunction()
diff --git a/src/dynarmic/CMakeModules/dynarmicConfig.cmake.in b/src/dynarmic/CMakeModules/dynarmicConfig.cmake.in
deleted file mode 100644
index baa1db7c45..0000000000
--- a/src/dynarmic/CMakeModules/dynarmicConfig.cmake.in
+++ /dev/null
@@ -1,31 +0,0 @@
-@PACKAGE_INIT@
-
-include(CMakeFindDependencyMacro)
-
-set(ARCHITECTURE "@ARCHITECTURE@")
-
-if (NOT @BUILD_SHARED_LIBS@)
-    find_dependency(Boost 1.57)
-    find_dependency(fmt 9)
-    find_dependency(mcl 0.1.12 EXACT)
-
-    if ("arm64" IN_LIST ARCHITECTURE)
-        find_dependency(oaknut 2.0.1)
-    endif()
-
-    if ("riscv" IN_LIST ARCHITECTURE)
-        find_dependency(biscuit 0.9.1)
-    endif()
-
-    if ("x86_64" IN_LIST ARCHITECTURE)
-        find_dependency(xbyak 7)
-    endif()
-
-    if (@DYNARMIC_USE_LLVM@)
-        find_dependency(LLVM)
-    endif()
-endif()
-
-include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
-
-check_required_components(@PROJECT_NAME@)
diff --git a/src/dynarmic/CMakeModules/impl/TargetArchitectureSpecificSourcesWrapFile.cmake b/src/dynarmic/CMakeModules/impl/TargetArchitectureSpecificSourcesWrapFile.cmake
deleted file mode 100644
index 82c6c3bae0..0000000000
--- a/src/dynarmic/CMakeModules/impl/TargetArchitectureSpecificSourcesWrapFile.cmake
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-string(TOUPPER "${arch}" arch)
-file(READ "${input_file}" f_contents)
-file(WRITE "${output_file}" "#if defined(ARCHITECTURE_${arch})\n${f_contents}\n#endif\n")
diff --git a/src/dynarmic/src/dynarmic/CMakeLists.txt b/src/dynarmic/src/dynarmic/CMakeLists.txt
index cc1cbcbe39..af65362688 100644
--- a/src/dynarmic/src/dynarmic/CMakeLists.txt
+++ b/src/dynarmic/src/dynarmic/CMakeLists.txt
@@ -135,7 +135,7 @@ add_library(dynarmic STATIC
     interface/A64/config.h
 )
 
-if ("x86_64" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_x86_64)
     # Newer versions of xbyak (>= 7.25.0) have stricter checks that currently
     # fail in dynarmic
     target_compile_definitions(dynarmic PRIVATE XBYAK_STRICT_CHECK_MEM_REG_SIZE=0)
@@ -143,7 +143,7 @@ if ("x86_64" IN_LIST ARCHITECTURE)
     target_compile_definitions(dynarmic PRIVATE XBYAK_OLD_DISP_CHECK=1)
     target_link_libraries(dynarmic PRIVATE xbyak::xbyak)
 
-    target_architecture_specific_sources(dynarmic "x86_64"
+    target_sources(dynarmic PRIVATE
         backend/x64/abi.cpp
         backend/x64/abi.h
         backend/x64/block_of_code.cpp
@@ -201,10 +201,10 @@ if ("x86_64" IN_LIST ARCHITECTURE)
     )
 endif()
 
-if ("arm64" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_arm64)
     target_link_libraries(dynarmic PRIVATE merry::oaknut)
 
-    target_architecture_specific_sources(dynarmic "arm64"
+    target_sources(dynarmic PRIVATE
         backend/arm64/a32_jitstate.cpp
         backend/arm64/a32_jitstate.h
         backend/arm64/a64_jitstate.h
@@ -255,7 +255,7 @@ if ("arm64" IN_LIST ARCHITECTURE)
     )
 endif()
 
-if ("riscv64" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_riscv64)
     target_link_libraries(dynarmic PRIVATE biscuit::biscuit)
 
     target_sources(dynarmic PRIVATE
@@ -295,7 +295,7 @@ if ("riscv64" IN_LIST ARCHITECTURE)
     message(WARNING "TODO: Incomplete frontend for this host architecture")
 endif()
 
-if ("loongarch64" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_loongarch64)
     target_link_libraries(dynarmic PRIVATE lagoon::lagoon)
 
     target_sources(dynarmic PRIVATE
@@ -400,15 +400,9 @@ if (DYNARMIC_USE_LLVM)
     target_compile_definitions(dynarmic PRIVATE DYNARMIC_USE_LLVM=1 ${LLVM_DEFINITIONS})
     llvm_config(dynarmic USE_SHARED armdesc armdisassembler aarch64desc aarch64disassembler x86desc x86disassembler)
 endif()
-if (DYNARMIC_ENABLE_CPU_FEATURE_DETECTION)
-    target_compile_definitions(dynarmic PRIVATE DYNARMIC_ENABLE_CPU_FEATURE_DETECTION=1)
-endif()
 if (DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT)
     target_compile_definitions(dynarmic PRIVATE DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT=1)
 endif()
-if (DYNARMIC_IGNORE_ASSERTS)
-    target_compile_definitions(dynarmic PRIVATE MCL_IGNORE_ASSERTS=1)
-endif()
 if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
     target_compile_definitions(dynarmic PRIVATE FMT_USE_WINDOWS_H=0)
 endif()
diff --git a/src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp b/src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp
index 384d6203a4..5158c0876b 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp
+++ b/src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp
@@ -78,7 +78,6 @@ void ProtectMemory(const void* base, size_t size, bool is_executable) {
 
 static const HostFeature features = []() {
     HostFeature f{};
-#ifdef DYNARMIC_ENABLE_CPU_FEATURE_DETECTION
     using Cpu = Xbyak::util::Cpu;
     Xbyak::util::Cpu cpu_info{};
     if (cpu_info.has(Cpu::tSSSE3)) f |= HostFeature::SSSE3;
@@ -121,7 +120,6 @@ static const HostFeature features = []() {
         }
     }
     return f;
-#endif
 }();
 HostFeature GetHostFeatures() {
     return features;
diff --git a/src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h b/src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h
index 3ac078f1d7..d9aefc5d4d 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h
+++ b/src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h
@@ -235,6 +235,7 @@ const void* EmitReadMemoryMov(BlockOfCode& code, int value_idx, const Xbyak::Reg
             code.xadd(qword[addr], Xbyak::Reg64(value_idx));
             break;
         case 128:
+            ASSERT(Xbyak::Xmm(value_idx) != xmm0);
             code.lock();
             code.cmpxchg16b(xword[addr]);
             if (code.HasHostFeature(HostFeature::SSE41)) {
diff --git a/src/dynarmic/src/dynarmic/backend/x64/emit_x64_vector.cpp b/src/dynarmic/src/dynarmic/backend/x64/emit_x64_vector.cpp
index 1165abb0e4..7a6796d543 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/emit_x64_vector.cpp
+++ b/src/dynarmic/src/dynarmic/backend/x64/emit_x64_vector.cpp
@@ -6226,9 +6226,7 @@ void EmitX64::EmitVectorZeroExtend64(EmitContext& ctx, IR::Inst* inst) {
 void EmitX64::EmitVectorZeroUpper(EmitContext& ctx, IR::Inst* inst) {
     auto args = ctx.reg_alloc.GetArgumentInfo(inst);
     auto const a = ctx.reg_alloc.UseScratchXmm(code, args[0]);
-
     code.movq(a, a);  // TODO: !IsLastUse
-
     ctx.reg_alloc.DefineValue(code, inst, a);
 }
 
diff --git a/src/dynarmic/src/dynarmic/common/spin_lock_x64.cpp b/src/dynarmic/src/dynarmic/common/spin_lock_x64.cpp
index f1898a92ef..47e1144e31 100644
--- a/src/dynarmic/src/dynarmic/common/spin_lock_x64.cpp
+++ b/src/dynarmic/src/dynarmic/common/spin_lock_x64.cpp
@@ -14,12 +14,6 @@
 #include "dynarmic/backend/x64/hostloc.h"
 #include "dynarmic/common/spin_lock.h"
 
-#ifdef DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT
-static const auto default_cg_mode = Xbyak::DontSetProtectRWE;
-#else
-static const auto default_cg_mode = nullptr; //Allow RWE
-#endif
-
 namespace Dynarmic {
 
 void EmitSpinLockLock(Xbyak::CodeGenerator& code, Xbyak::Reg64 ptr, Xbyak::Reg32 tmp, bool waitpkg) {
@@ -78,7 +72,13 @@ namespace {
 struct SpinLockImpl {
     void Initialize() noexcept;
     static void GlobalInitialize() noexcept;
-    Xbyak::CodeGenerator code = Xbyak::CodeGenerator(4096, default_cg_mode);
+    Xbyak::CodeGenerator code = Xbyak::CodeGenerator(4096
+#ifdef DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT
+        , Xbyak::DontSetProtectRWE
+#else
+        , nullptr //Allow RWE
+#endif
+    );
     void (*lock)(volatile int*) = nullptr;
     void (*unlock)(volatile int*) = nullptr;
 };
diff --git a/src/dynarmic/src/dynarmic/frontend/decoder/decoder_detail.h b/src/dynarmic/src/dynarmic/frontend/decoder/decoder_detail.h
index e383fb0262..ff27ffb3c7 100644
--- a/src/dynarmic/src/dynarmic/frontend/decoder/decoder_detail.h
+++ b/src/dynarmic/src/dynarmic/frontend/decoder/decoder_detail.h
@@ -91,7 +91,7 @@ struct detail {
                 shifts[arg_index] = bit_position;
             }
         }
-#if !defined(DYNARMIC_IGNORE_ASSERTS) && !defined(__ANDROID__)
+#if !defined(__ANDROID__)
         // Avoids a MSVC ICE, and avoids Android NDK issue.
         DEBUG_ASSERT(std::all_of(masks.begin(), masks.end(), [](auto m) { return m != 0; }));
 #endif
diff --git a/src/dynarmic/tests/CMakeLists.txt b/src/dynarmic/tests/CMakeLists.txt
index 15a77e4b5c..9d38c8425c 100644
--- a/src/dynarmic/tests/CMakeLists.txt
+++ b/src/dynarmic/tests/CMakeLists.txt
@@ -44,13 +44,13 @@ if (DYNARMIC_TESTS_USE_UNICORN)
     )
 endif()
 
-if ("riscv" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_riscv64)
     target_link_libraries(dynarmic_tests PRIVATE biscuit::biscuit)
 endif()
 
-if ("x86_64" IN_LIST ARCHITECTURE)
+if (ARCHITECTURE_x86_64)
     target_link_libraries(dynarmic_tests PRIVATE xbyak::xbyak)
-    target_architecture_specific_sources(dynarmic_tests "x86_64"
+    target_sources(dynarmic_tests PRIVATE
         x64_cpu_info.cpp
         native/preserve_xmm.cpp
     )