diff --git a/modules/headless.nix b/modules/headless.nix
index 99f28ea..e347431 100644
--- a/modules/headless.nix
+++ b/modules/headless.nix
@@ -12,4 +12,13 @@
     defscrollback 10000
     #startup_message off
   '';
+
+  # Small storage space savings.
+  #
+  # Don't install documentation to `/share/doc`.
+  documentation.doc.enable = false;
+  # Don't install man pages.
+  documentation.man.enable = false;
+  # Don't install install info pages and the info command.
+  documentation.info.enable = false;
 }