diff --git a/CMakeLists.txt b/CMakeLists.txt
index 83b24e52d3..be45725957 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -739,7 +739,6 @@ if(AVIF_BUILD_APPS)
         endif()
     endif()
     set_target_properties(avifgainmaputil PROPERTIES LINKER_LANGUAGE "CXX")
-    target_include_directories(avifgainmaputil PRIVATE apps/avifgainmaputil/)
     target_link_libraries(avifgainmaputil libargparse avif_apps avif avif_enable_warnings)
 
     if(NOT SKIP_INSTALL_APPS AND NOT SKIP_INSTALL_ALL)