diff --git a/nixos/lib/make-options-doc/mergeJSON.py b/nixos/lib/make-options-doc/mergeJSON.py
index 4be83fcb827b..f6dd81d0f780 100644
--- a/nixos/lib/make-options-doc/mergeJSON.py
+++ b/nixos/lib/make-options-doc/mergeJSON.py
@@ -52,12 +52,6 @@ for arg in sys.argv[1:]:
 options = pivot(json.load(open(sys.argv[1 + optOffset], 'r')))
 overrides = pivot(json.load(open(sys.argv[2 + optOffset], 'r')))
 
-# fix up declaration paths in lazy options, since we don't eval them from a full nixpkgs dir
-for (k, v) in options.items():
-    # The _module options are not declared in nixos/modules
-    if v.value['loc'][0] != "_module":
-        v.value['declarations'] = list(map(lambda s: f'nixos/modules/{s}' if isinstance(s, str) else s, v.value['declarations']))
-
 # merge both descriptions
 for (k, v) in overrides.items():
     cur = options.setdefault(k, v).value