diff --git a/lib/net/net-protocol.gemspec b/lib/net/net-protocol.gemspec
index 9da4d47bb6..c03621cb0d 100644
--- a/lib/net/net-protocol.gemspec
+++ b/lib/net/net-protocol.gemspec
@@ -30,5 +30,4 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "timeout"
-  spec.add_dependency "io-wait"
 end