diff --git a/src/dynarmic/CMakeLists.txt b/src/dynarmic/CMakeLists.txt
index 25259b0ce1..842eb91a88 100644
--- a/src/dynarmic/CMakeLists.txt
+++ b/src/dynarmic/CMakeLists.txt
@@ -14,20 +14,24 @@ 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 (CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+
+if (PLATFORM_OPENBSD)
     option(DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT "Enables support for systems that require W^X" ON)
 else()
     option(DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT "Enables support for systems that require W^X" OFF)
 endif()
+
 option(DYNARMIC_FATAL_ERRORS "Errors are fatal" OFF)
 option(DYNARMIC_IGNORE_ASSERTS "Ignore asserts" OFF)
 option(DYNARMIC_TESTS_USE_UNICORN "Enable fuzzing tests against unicorn" OFF)
 option(DYNARMIC_USE_LLVM "Support disassembly of jitted x86_64 code using LLVM" OFF)
-if (CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+
+if (PLATFORM_OPENBSD)
     option(DYNARMIC_USE_PRECOMPILED_HEADERS "Use precompiled headers" OFF)
 else()
     option(DYNARMIC_USE_PRECOMPILED_HEADERS "Use precompiled headers" ON)
 endif()
+
 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)
 option(DYNARMIC_WARNINGS_AS_ERRORS "Warnings as errors" ${MASTER_PROJECT})
diff --git a/src/dynarmic/externals/CMakeLists.txt b/src/dynarmic/externals/CMakeLists.txt
index 23cfd42236..26f9290ed8 100644
--- a/src/dynarmic/externals/CMakeLists.txt
+++ b/src/dynarmic/externals/CMakeLists.txt
@@ -60,13 +60,6 @@ AddJsonPackage(
 #     endif()
 # endif()
 
-# unordered_dense
-
-AddJsonPackage(
-    NAME unordered-dense
-    BUNDLED_PACKAGE ${DYNARMIC_USE_BUNDLED_EXTERNALS}
-)
-
 # xbyak
 # uncomment if in an independent repo