diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index c3cf785..ba78c18 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -175,4 +175,3 @@
 syscall_src += arch-arm/syscalls/eventfd.S
 syscall_src += arch-arm/syscalls/__set_tls.S
 syscall_src += arch-arm/syscalls/cacheflush.S
-syscall_src += arch-arm/syscalls/eventfd.S