diff --git a/devel/Makefile b/devel/Makefile
index d7c545b06d17f..fc1be46802036 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -1160,7 +1160,6 @@
     SUBDIR += libast
     SUBDIR += libastylej
     SUBDIR += libastylej-arduino
-    SUBDIR += libasyncplusplus
     SUBDIR += libatomic_ops
     SUBDIR += libaura
     SUBDIR += libavl