diff --git a/toolchain/glibc/patches/300-arc.patch b/toolchain/glibc/patches/300-arc.patch
deleted file mode 100644
index 66f7aeb3efe..00000000000
--- a/toolchain/glibc/patches/300-arc.patch
+++ /dev/null
@@ -1,55 +0,0 @@
---- a/sysdeps/arc/atomic-machine.h
-+++ b/sysdeps/arc/atomic-machine.h
-@@ -64,6 +64,10 @@ typedef uintmax_t uatomic_max_t;
-   __atomic_val_bysize (__arch_compare_and_exchange_val, int,		\
- 		       mem, new, old, __ATOMIC_ACQUIRE)
- 
-+#ifdef __ARC700__
-+#define atomic_full_barrier()  ({ asm volatile ("sync":::"memory"); })
-+#else
- #define atomic_full_barrier()  ({ asm volatile ("dmb 3":::"memory"); })
-+#endif
- 
- #endif /* _ARC_BITS_ATOMIC_H */
---- a/sysdeps/unix/sysv/linux/arc/syscall.S
-+++ b/sysdeps/unix/sysv/linux/arc/syscall.S
-@@ -24,8 +24,13 @@ ENTRY (syscall)
- 	mov_s	r1, r2
- 	mov_s	r2, r3
- 	mov_s	r3, r4
-+#ifdef __ARC700__
-+	mov	r4, r5
-+	mov	r5, r6
-+#else
- 	mov_s	r4, r5
- 	mov_s	r5, r6
-+#endif
- 
- 	ARC_TRAP_INSN
- 	brhi	r0, -4096, L (call_syscall_err)
---- a/sysdeps/unix/sysv/linux/arc/sysdep.h
-+++ b/sysdeps/unix/sysv/linux/arc/sysdep.h
-@@ -128,7 +128,11 @@ L (call_syscall_err):			ASM_LINE_SEP	\
-     mov    r8, __NR_##syscall_name	ASM_LINE_SEP	\
-     ARC_TRAP_INSN			ASM_LINE_SEP
- 
-+# ifdef __ARC700__
-+# define ARC_TRAP_INSN	trap0
-+# else
- # define ARC_TRAP_INSN	trap_s 0
-+# endif
- 
- #else  /* !__ASSEMBLER__ */
- 
-@@ -139,7 +143,11 @@ extern long int __syscall_error (long in
- hidden_proto (__syscall_error)
- # endif
- 
-+# ifdef __ARC700__
-+# define ARC_TRAP_INSN	"trap0		\n\t"
-+# else
- # define ARC_TRAP_INSN	"trap_s 0	\n\t"
-+#endif
- 
- # undef INTERNAL_SYSCALL_NCS
- # define INTERNAL_SYSCALL_NCS(number, nr_args, args...)	\