diff --git a/nixos/doc/manual/Makefile b/nixos/doc/manual/Makefile
index b86a7600575..b2b6481b20c 100644
--- a/nixos/doc/manual/Makefile
+++ b/nixos/doc/manual/Makefile
@@ -1,5 +1,5 @@
 .PHONY: all
-all: manual-combined.xml format
+all: manual-combined.xml
 
 .PHONY: debug
 debug: generated manual-combined.xml