chore: remove unneeded dev_dependencies
diff --git a/pubspec.yaml b/pubspec.yaml
index ea22d7c..8407265 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -14,6 +14,5 @@
   meta: ^1.1.6
 
 dev_dependencies:
-  effective_dart: ^1.2.0
   test: ^1.14.3
   test_coverage: ^0.4.1