diff --git a/spec/error_reporters_spec.rb b/spec/error_reporters_spec.rb
index <HASH>..<HASH> 100644
--- a/spec/error_reporters_spec.rb
+++ b/spec/error_reporters_spec.rb
@@ -20,6 +20,10 @@ describe Pliny::ErrorReporters do
       allow(reporter_double).to receive(:notify)
     end
 
+    after do
+      Pliny::ErrorReporters.error_reporters = []
+    end
+
     it "notifies rollbar" do
       notify_reporter
 
diff --git a/spec/metrics_spec.rb b/spec/metrics_spec.rb
index <HASH>..<HASH> 100644
--- a/spec/metrics_spec.rb
+++ b/spec/metrics_spec.rb
@@ -6,12 +6,17 @@ describe Pliny::Metrics do
   subject(:metrics) { Pliny::Metrics }
 
   before do
+    @stdout = Pliny.stdout
     Pliny.stdout = io
 
     allow(io).to receive(:print)
     allow(Config).to receive(:app_name).and_return('pliny')
   end
 
+  after do
+    Pliny.stdout = @stdout
+  end
+
   context "#count" do
     it "counts a single key with a default value" do
       metrics.count(:foo)
Fix doubles leaking through globals