diff --git a/arch/m68k/include/asm/div64.h b/arch/m68k/include/asm/div64.h
index 365f39f5e256..df1f6b450cc5 100644
--- a/arch/m68k/include/asm/div64.h
+++ b/arch/m68k/include/asm/div64.h
@@ -31,6 +31,9 @@
 	__rem;							\
 })
 
+/* defining this stops the unused helper function from being built */
+#define __div64_32 __div64_32
+
 #endif /* CONFIG_CPU_HAS_NO_MULDIV64 */
 
 #endif /* _M68K_DIV64_H */