diff --git a/docs/lang/std/json.papyri b/docs/lang/std/json.papyri
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+@include `metis.lib`
+
+@page(`The json module`)...
+
+@h1 { The `json` module }
+
+The `json` module provides functions for encoding and decoding JSON data.
+
+@h2 { Free functions }
+
+@h3 { parse(s: string): any }
+Parse a JSON string and return the corresponding value.
+
+@h3 { stringify(value: any): string }
+Convert a value to a JSON string.
\ No newline at end of file
diff --git a/lang/src/main/resources/std/futil.metis b/lang/src/main/resources/std/futil.metis
deleted file mode 100644
index e69de29..0000000