diff --git a/Makefile b/Makefile
index 70f1a8e..a271886 100644
--- a/Makefile
+++ b/Makefile
@@ -1,25 +1,22 @@
 SHELL := /bin/bash
 
 slides: build-slides clean-slides
 
 build-slides:
 	pdflatex slides.tex
 	xdg-open slides.pdf
 
 clean-slides:
 	rm slides.{aux,log,nav,out,snm,toc,vrb}
 
 view: slides.pdf
-	impressive slides.pdf
-
-view-window: slides.pdf
 	impressive -c memory --nologo --windowed -g 1680x1050 slides.pdf
 
 ex: build-ex clean-ex
 
 build-ex:
 	pdflatex exercise_sheet.tex
 	xdg-open exercise_sheet.pdf
 
 clean-ex:
 	rm exercise_sheet.{aux,log,out}