diff --git a/meson.build b/meson.build
index 189a5c51ec4..7d3520c17ba 100644
--- a/meson.build
+++ b/meson.build
@@ -1167,6 +1167,7 @@ else
     '-fno-common',
     # Clang
     '-Wno-microsoft-enum-value',
+    '-Wno-unused-function',
   ]
   _trial_cpp = [
     '-Werror=return-type',