diff --git a/attn/meson.build b/attn/meson.build
index 6ae7e58..616890f 100644
--- a/attn/meson.build
+++ b/attn/meson.build
@@ -69,6 +69,6 @@
     pel_src,
     include_directories : incdir,
     dependencies : attn_deps,
-    cpp_args : [boost_args, test_arg],
+    cpp_args : [boost_args],
     install : false,
 )