diff --git a/spec/2023-07-draft.md b/spec/2023-07-draft.md
index af4983fc..cdaa5a8c 100644
--- a/spec/2023-07-draft.md
+++ b/spec/2023-07-draft.md
@@ -595,9 +595,6 @@ That is, if there are any directories under `data/secret/` there must not be any
 The test groups themselves can contain directories, but not further groups.
 This means that there are no `test_group.yaml` further down in the directory hierarchy.
 
-A directory must not have the same name as a test case in the same directory.
-For example, if the file `data/secret/group1/huge.in` exists then the directory `data/secret/group1/huge/` must not, and vice versa.
-
 Each test data group must contain at least one test case, or a static validation test case.
 
 ### Input