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diff --git a/README.md b/README.md
index e8a21f0..c094d47 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,6 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 - [NIP-88: Polls](88.md)
 - [NIP-89: Recommended Application Handlers](89.md)
 - [NIP-90: Data Vending Machines](90.md)
-- [NIP-91: AND filters](91.md)
 - [NIP-92: Media Attachments](92.md)
 - [NIP-94: File Metadata](94.md)
 - [NIP-96: HTTP File Storage Integration](96.md) --- **unrecommended**: replaced by blossom APIs
@@ -317,17 +316,6 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 [marmot]: https://github.com/marmot-protocol/marmot
 
 
-## Filters 
-
-| kind            | description                | NIP                      |
-| --------------- | -------------------------- | ------------------------ |
-| `authors`       | by pubkey                  | [01](01.md)              |
-| `ids`           | by ids                     | [01](01.md)              |
-| `kinds`         | by kinds                   | [01](01.md)              |
-| `#{}`           | by indexable tag (OR)      | [01](01.md)              |
-| `&{}`           | by indexable tag (AND)     | [91](91.md)              |
-| `search`        | by search times            | [50](50.md)              |
-
 ## Message types
 
 ### Client to Relay