diff --git a/arch/mips/include/asm/cmp.h b/arch/mips/include/asm/cmp.h
deleted file mode 100644
index 71e20e6cd38d..000000000000
--- a/arch/mips/include/asm/cmp.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_CMP_H
-#define _ASM_CMP_H
-
-/*
- * Definitions for CMP multitasking on MIPS cores
- */
-struct task_struct;
-
-#endif /*  _ASM_CMP_H */