diff --git a/include/jemalloc/internal/test_hooks.h b/include/jemalloc/internal/test_hooks.h
index 35f3a211..dfe8a86e 100644
--- a/include/jemalloc/internal/test_hooks.h
+++ b/include/jemalloc/internal/test_hooks.h
@@ -1,8 +1,6 @@
 #ifndef JEMALLOC_INTERNAL_TEST_HOOKS_H
 #define JEMALLOC_INTERNAL_TEST_HOOKS_H
 
-#include "jemalloc/internal/jemalloc_preamble.h"
-
 extern JEMALLOC_EXPORT void (*test_hooks_arena_new_hook)(void);
 extern JEMALLOC_EXPORT void (*test_hooks_libc_hook)(void);