diff --git a/sys/arm64/arm64/cpufunc_asm.S b/sys/arm64/arm64/cpufunc_asm.S
index 0f9fa882cd23..810bd5b83d0e 100644
--- a/sys/arm64/arm64/cpufunc_asm.S
+++ b/sys/arm64/arm64/cpufunc_asm.S
@@ -132,14 +132,6 @@ ENTRY(arm64_dcache_inv_range)
 	ret
 END(arm64_dcache_inv_range)
 
-/*
- * void arm64_idcache_wbinv_range(vm_offset_t, vm_size_t)
- */
-ENTRY(arm64_idcache_wbinv_range)
-	cache_handle_range	dcop = civac, ic = 1, icop = ivau
-	ret
-END(arm64_idcache_wbinv_range)
-
 /*
  * void arm64_icache_sync_range(vm_offset_t, vm_size_t)
  */
diff --git a/sys/arm64/include/cpufunc.h b/sys/arm64/include/cpufunc.h
index 6f8bc3acb41a..7e58c8e1fdce 100644
--- a/sys/arm64/include/cpufunc.h
+++ b/sys/arm64/include/cpufunc.h
@@ -216,7 +216,6 @@ extern int64_t dczva_line_size;
 #define	cpu_dcache_inv_range(a, s)	arm64_dcache_inv_range((a), (s))
 #define	cpu_dcache_wb_range(a, s)	arm64_dcache_wb_range((a), (s))
 
-#define	cpu_idcache_wbinv_range(a, s)	arm64_idcache_wbinv_range((a), (s))
 #define	cpu_icache_sync_range(a, s)	arm64_icache_sync_range((a), (s))
 #define cpu_icache_sync_range_checked(a, s) arm64_icache_sync_range_checked((a), (s))
 
@@ -224,7 +223,6 @@ void arm64_nullop(void);
 void arm64_tlb_flushID(void);
 void arm64_icache_sync_range(vm_offset_t, vm_size_t);
 int arm64_icache_sync_range_checked(vm_offset_t, vm_size_t);
-void arm64_idcache_wbinv_range(vm_offset_t, vm_size_t);
 void arm64_dcache_wbinv_range(vm_offset_t, vm_size_t);
 void arm64_dcache_inv_range(vm_offset_t, vm_size_t);
 void arm64_dcache_wb_range(vm_offset_t, vm_size_t);