diff --git a/build.config.common b/build.config.common
index 339c8e25e2d8..9a3580b33978 100644
--- a/build.config.common
+++ b/build.config.common
@@ -14,3 +14,5 @@ IN_KERNEL_MODULES=1
 DO_NOT_STRIP_MODULES=1
 
 HERMETIC_TOOLCHAIN=${HERMETIC_TOOLCHAIN:-1}
+
+KLEAF_SUPPRESS_BUILD_SH_DEPRECATION_WARNING=${KLEAF_SUPPRESS_BUILD_SH_DEPRECATION_WARNING:-1}