diff --git a/Source/Common/CMakeLists.txt b/Source/Common/CMakeLists.txt
index d0b0d29a3..70bc71b30 100644
--- a/Source/Common/CMakeLists.txt
+++ b/Source/Common/CMakeLists.txt
@@ -18,6 +18,5 @@ endif()
 
 add_library(${NAME} STATIC ${SRCS})
 target_link_libraries(${NAME} FEXCore_Base cpp-optparse tiny-json FEXHeaderUtils)
-target_include_directories(${NAME} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/External/cpp-optparse/)
 target_include_directories(${NAME} PRIVATE ${CMAKE_BINARY_DIR}/generated)
 target_include_directories(${NAME} PRIVATE ${CMAKE_SOURCE_DIR}/External/xbyak/)
diff --git a/Source/Common/cpp-optparse b/Source/Common/cpp-optparse
index eab4212ae..9f94388a3 160000
--- a/Source/Common/cpp-optparse
+++ b/Source/Common/cpp-optparse
@@ -1 +1 @@
-Subproject commit eab4212ae864ba64306f0fe87f102e66cb5a3617
+Subproject commit 9f94388a339fcbb0bc95c17768eb786c85988f6e
diff --git a/Source/Tools/pidof/CMakeLists.txt b/Source/Tools/pidof/CMakeLists.txt
index 6c68725de..1a2e8f36a 100644
--- a/Source/Tools/pidof/CMakeLists.txt
+++ b/Source/Tools/pidof/CMakeLists.txt
@@ -1,7 +1,4 @@
 add_executable(FEXpidof pidof.cpp)
-target_include_directories(FEXpidof
-  PRIVATE
-  ${PROJECT_SOURCE_DIR}/Source/Common/cpp-optparse/)
 
 target_link_libraries(FEXpidof
   PRIVATE