diff --git a/lib/csv/csv.gemspec b/lib/csv/csv.gemspec
index d0284728f7..84f3df87b7 100644
--- a/lib/csv/csv.gemspec
+++ b/lib/csv/csv.gemspec
@@ -60,5 +60,4 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "benchmark_driver"
-  spec.add_development_dependency "simplecov"
 end