diff --git a/profiles/CB3/package.use b/profiles/CB3/package.use
index 4d6ed0f1..afcc6707 100644
--- a/profiles/CB3/package.use
+++ b/profiles/CB3/package.use
@@ -13,5 +13,5 @@ media-video/ffmpeg nvenc
 # support for Tk GUI toolkit
 dev-lang/python tk
 
-media-libs/openimageio cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_avx512f cpu_flags_x86_f16c
+media-libs/openimageio cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_f16c
 media-libs/opencv cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_fma3 cpu_flags_x86_popcnt cpu_flags_x86_sse4_1 cpu_flags_x86_sse4_2 cpu_flags_x86_ssse3