diff --git a/doc/_doxygen/doxyfile-bridle.in b/doc/_doxygen/doxyfile-bridle.in
index 3ffd57206b..da447eeb45 100644
--- a/doc/_doxygen/doxyfile-bridle.in
+++ b/doc/_doxygen/doxyfile-bridle.in
@@ -2452,6 +2452,7 @@ PREDEFINED             = __DOXYGEN__ \
                          __deprecated= \
                          __packed= \
                          __aligned(x)= \
+                         __attribute_nonnull(...)= \
                          "__printf_like(x, y)=" \
                          __attribute__(x)= \
                          __syscall= \
diff --git a/doc/_doxygen/doxyfile-zephyr.in b/doc/_doxygen/doxyfile-zephyr.in
index 612e7a8141..520bf0349d 100644
--- a/doc/_doxygen/doxyfile-zephyr.in
+++ b/doc/_doxygen/doxyfile-zephyr.in
@@ -2455,6 +2455,7 @@ PREDEFINED             = __DOXYGEN__ \
                          __deprecated= \
                          __packed= \
                          __aligned(x)= \
+                         __attribute_nonnull(...)= \
                          "__printf_like(x, y)=" \
                          __attribute__(x)= \
                          __syscall= \