diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0f1ccfa0..2da9850a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -44,7 +44,7 @@ packages:
         - rank1dynamic
 
     "Julian Ospald <hasufell@posteo.de> @hasufell":
-        - file-io >= 0.1.1
+        []
 
     "Dominick Samperi <djsamperi@gmail.com> @djsamperi":
         - mathlist
@@ -8211,9 +8211,6 @@ package-flags:
     hashable:
       arch-native: false
 
-    file-io:
-      os-string: true
-
     path:
       os-string: true
 # end of package-flags