--- CMakeLists.txt.orig	2026-01-05 11:23:59 UTC
+++ CMakeLists.txt
@@ -161,10 +161,6 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_CO
             add_compile_definitions(_SLKP_USE_SSE_INTRINSICS)
         endif()
         set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
-    else()
-        if(NOT CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
-            list(APPEND COMMON_COMPILE_FLAGS "-mno-sse3")
-        endif()
     endif()
 
 endif()
@@ -366,4 +362,4 @@ add_test(NAME GARD COMMAND hyphy tests/hbltests/libv3/
 add_test(CONTRAST-FEL hyphy tests/hbltests/libv3/CFEL.wbf)
 add_test(FADE hyphy tests/hbltests/libv3/FADE.wbf)
 add_test(NAME GARD COMMAND hyphy tests/hbltests/libv3/GARD.wbf "ENV=TOLERATE_NUMERICAL_ERRORS=1;")
-add_test(ABSREL hyphy tests/hbltests/libv3/ABSREL.wbf)
\ No newline at end of file
+add_test(ABSREL hyphy tests/hbltests/libv3/ABSREL.wbf)