diff --git a/internal/sanitizers.h b/internal/sanitizers.h
index ed5bf789ad460b..5a55335e42929a 100644
--- a/internal/sanitizers.h
+++ b/internal/sanitizers.h
@@ -16,7 +16,7 @@
 #endif
 
 #ifdef HAVE_SANITIZER_ASAN_INTERFACE_H
-# if __has_feature(address_sanitizer)
+# if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
 #  define RUBY_ASAN_ENABLED
 #  include <sanitizer/asan_interface.h>
 # endif
diff --git a/thread.c b/thread.c
index 12abb847583cb7..2d2951d18a0fb3 100644
--- a/thread.c
+++ b/thread.c
@@ -72,7 +72,6 @@
 
 #define TH_SCHED(th) (&(th)->ractor->threads.sched)
 
-#include "internal/sanitizers.h"
 #include "eval_intern.h"
 #include "hrtime.h"
 #include "internal.h"