diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1500844..810914e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -263,7 +263,7 @@ if(MSVC)
     # ";" argument separator is problematic. Can't use a GenEx `$<IF:`
     # because `/W4;/WX` is returned as a single string.
     add_compile_options( /W4;$<$<BOOL:${KTX_WERROR}>:/WX> )
-    add_compile_options( $<IF:$<CONFIG:Debug>,/Gz,/O2> )
+    add_compile_options( $<IF:$<CONFIG:Debug>,,/O2> )
     # Enable UTF-8 support
     add_compile_options( $<$<C_COMPILER_ID:MSVC>:/utf-8> )
     add_compile_options( $<$<CXX_COMPILER_ID:MSVC>:/utf-8> )
@@ -946,6 +946,7 @@ if(EMSCRIPTEN)
 endif()
 
 add_library( objUtil STATIC
+    EXCLUDE_FROM_ALL
     utils/argparser.cpp
     utils/argparser.h
     utils/ktxapp.h