1 files changed, 0 insertions, 1 deletions
diff --git a/teensy/std.h b/teensy/std.h
index 587b9f8880..6b768e7c8d 100644
--- a/teensy/std.h
+++ b/teensy/std.h
@@ -4,7 +4,6 @@ void __assert_func(void);
 
 void *malloc(size_t n);
 void free(void *ptr);
-void *calloc(size_t sz, size_t n);
 void *realloc(void *ptr, size_t n);
 
 void *memcpy(void *dest, const void *src, size_t n);