diff --git a/Makefile b/Makefile
index 1081d64..499160c 100644
--- a/Makefile
+++ b/Makefile
@@ -13,19 +13,10 @@ man::
 	gzip -9 -c -n data/surf-display.1 > data/surf-display.1.gz
 
 install:
-	if [ ! -e data/surf-display.pdf.gz ]; then \
-	    echo "Run 'make build' first, before running 'sudo make install'."; \
-	    exit -1; \
-	fi
-
         # script
 	mkdir -p $(DESTDIR)$(PREFIX)/bin/
 	install -m 0755 bin/surf-display $(DESTDIR)$(PREFIX)/bin/
 
-	# LaTeX Beamer PDF: Impressive HowTo
-	mkdir -p $(DESTDIR)$(PREFIX)/share/doc/surf-display/
-	install -m 0644 data/*.pdf.gz $(DESTDIR)$(PREFIX)/share/doc/surf-display/
-
 	# man page
 	mkdir -p $(DESTDIR)$(PREFIX)/share/man/man1
 	install -m 0644 data/*.1.gz $(DESTDIR)$(PREFIX)/share/man/man1/