--- a/libobs/CMakeLists.txt
+++ b/libobs/CMakeLists.txt
@@ -145,24 +145,6 @@ target_sources(
 target_sources(
   libobs
   PRIVATE # cmake-format: sortable
-          util/simde/check.h
-          util/simde/debug-trap.h
-          util/simde/hedley.h
-          util/simde/simde-align.h
-          util/simde/simde-arch.h
-          util/simde/simde-common.h
-          util/simde/simde-constify.h
-          util/simde/simde-detect-clang.h
-          util/simde/simde-diagnostic.h
-          util/simde/simde-features.h
-          util/simde/simde-math.h
-          util/simde/x86/mmx.h
-          util/simde/x86/sse.h
-          util/simde/x86/sse2.h)
-
-target_sources(
-  libobs
-  PRIVATE # cmake-format: sortable
           callback/calldata.c
           callback/calldata.h
           callback/decl.c
--- a/libobs/util/sse-intrin.h
+++ b/libobs/util/sse-intrin.h
@@ -28,6 +28,6 @@
 #endif
 #define SIMDE_ENABLE_NATIVE_ALIASES
 PRAGMA_WARN_PUSH
-#include "simde/x86/sse2.h"
+#include <simde/x86/sse2.h>
 PRAGMA_WARN_POP
 #endif
--- a/cmake/Modules/CompilerConfig.cmake
+++ b/cmake/Modules/CompilerConfig.cmake
@@ -157,7 +157,6 @@ if(LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATC
   endif()
 elseif(LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64(le)?")
   set(ARCH_SIMD_DEFINES -DNO_WARN_X86_INTRINSICS)
-  set(ARCH_SIMD_FLAGS -mvsx)
 else()
   if(CMAKE_C_COMPILER_ID MATCHES "^(Apple)?Clang|GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "^(Apple)?Clang|GNU")
     check_c_compiler_flag("-fopenmp-simd" C_COMPILER_SUPPORTS_OPENMP_SIMD)