diff --git a/Makefile b/Makefile
index b8039f0..ecfce8f 100644
--- a/Makefile
+++ b/Makefile
@@ -3,11 +3,7 @@ BINDIR ?= $(DESTDIR)$(PREFIX)/bin
 MANDIR ?= $(DESTDIR)$(PREFIX)/share/man/man1
 DOCDIR ?= $(DESTDIR)$(PREFIX)/share/doc/buku
 
-BASHCOMPDIR = $(DESTDIR)/etc/bash_completion.d
-FISHCOMPDIR = $(DESTDIR)/usr/share/fish/vendor_completions.d
-ZSHCOMPDIR = $(DESTDIR)/usr/share/zsh/site-functions
-
-.PHONY: all install install.comp uninstall uninstall.comp
+.PHONY: all install uninstall
 
 all:
 
@@ -21,16 +17,7 @@ install:
 	install -m644 README.md $(DOCDIR)
 	rm -f buku.1.gz
 
-install.comp:
-	install -m755 -d $(BASHCOMPDIR) $(FISHCOMPDIR) $(ZSHCOMPDIR)
-	install -m644 auto-completion/bash/buku-completion.bash $(BASHCOMPDIR)
-	install -m644 auto-completion/fish/buku.fish $(FISHCOMPDIR)
-	install -m644 auto-completion/zsh/_buku $(ZSHCOMPDIR)
-
 uninstall:
 	rm -f $(BINDIR)/buku
 	rm -f $(MANDIR)/buku.1.gz
 	rm -rf $(DOCDIR)
-
-uninstall.comp:
-	rm -f $(BASHCOMPDIR)/buku-completion.bash $(FISHCOMPDIR)/buku.fish $(ZSHCOMPDIR)/_buku
diff --git a/README.md b/README.md
index 4780b3d..15eff30 100644
--- a/README.md
+++ b/README.md
@@ -89,16 +89,7 @@ To remove, run:
 
 ## Shell completion
 
-Shell completion scripts for Bash, Fish and Zsh can be found in respective subdirectories of [auto-completion/](https://github.com/jarun/buku/blob/master/auto-completion).
-
-Install shell completion scripts:
-
-    $ sudo make install.comp
-
-Remove shell completion scripts:
-
-    $ sudo make uninstall.comp
-`DESTDIR` is supported.
+Shell completion scripts for Bash, Fish and Zsh can be found in respective subdirectories of [auto-completion/](https://github.com/jarun/buku/blob/master/auto-completion). Please refer to your shell's manual for installation instructions.
 
 ## Installing with a package manager