diff --git a/Makefile.am b/Makefile.am
index ee2447e..df6f2a0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -134,26 +134,14 @@ docdir = $(DESTDIR)$(prefix)/share/doc/$(PACKAGE)-$(VERSION)
 
 doc:	doc/html
 
-doc/html: doc/doxygen.conf
-	if [ -f ./doc/doc.lock ]; then \
-		$(RM) -r doc/html; \
-		doxygen doc/doxygen.conf; \
-	fi
+doc/html: 
+ $(RM) -r $@ 
+ doxygen doc/doxygen.conf 
 
 doc-upload: doc/html
 	scp -r $</* $(webhost):$(webpath)
 
-all: doc
-
-install-data-local: 
-	if [ -f ./doc/doc.lock ]; then \
-		$(mkinstalldirs) $(docdir)/html; \
-		$(INSTALL_DATA) doc/html/* $(docdir)/html; \
-	fi
-
-uninstall-local:
-	rm -rf $(docdir)
-
+.PHONY: doc 
 ## ========================================================================= ##
 
 # Indent source files