diff --git a/sys/mips/include/pcb_ext.h b/sys/mips/include/pcb_ext.h
deleted file mode 100644
index 9340db521de5..000000000000
--- a/sys/mips/include/pcb_ext.h
+++ /dev/null
@@ -1,4 +0,0 @@
-/*-
- * EMPTY FILE -- needed?
- * $FreeBSD$
- */