diff --git a/cpukit/libnetworking/preinstall.am b/cpukit/libnetworking/preinstall.am
index 44d197afc4..2dd7963057 100644
--- a/cpukit/libnetworking/preinstall.am
+++ b/cpukit/libnetworking/preinstall.am
@@ -260,10 +260,6 @@ $(PROJECT_INCLUDE)/nfs/krpc.h: nfs/krpc.h $(PROJECT_INCLUDE)/nfs/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/nfs/krpc.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/nfs/krpc.h
 
-$(PROJECT_INCLUDE)/nfs/nfs.h: nfs/nfs.h $(PROJECT_INCLUDE)/nfs/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/nfs/nfs.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/nfs/nfs.h
-
 $(PROJECT_INCLUDE)/nfs/nfsproto.h: nfs/nfsproto.h $(PROJECT_INCLUDE)/nfs/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/nfs/nfsproto.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/nfs/nfsproto.h