Index: gtk/meson.build
--- gtk/meson.build.orig
+++ gtk/meson.build
@@ -20,7 +20,7 @@ if hb_dir == ''
   hb_dir = meson.current_build_dir() / '..'
 endif
 
-hb_incdirs = include_directories(hb_dir / 'libhb', hb_dir / 'contrib/include')
+hb_incdirs = include_directories(hb_dir / 'libhb')
 
 # External dependencies (required)
 ghb_deps = [
