diff --git a/pubspec.yaml b/pubspec.yaml
index ff692ac..c07af24 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,6 +5,5 @@
 homepage: http://www.dartlang.org
 environment:
   sdk: '>=0.8.10+6 <2.0.0'
-documentation: http://api.dartlang.org/docs/pkg/crypto
 dev_dependencies:
   unittest: '>=0.10.0 <0.11.0'