diff --git a/Library/Homebrew/test/emoji_spec.rb b/Library/Homebrew/test/emoji_spec.rb
index 35d077ebe9..f901ee3724 100644
--- a/Library/Homebrew/test/emoji_spec.rb
+++ b/Library/Homebrew/test/emoji_spec.rb
@@ -4,6 +4,11 @@ describe Emoji do
   describe "#install_badge" do
     subject { described_class.install_badge }
 
+    before(:each) do
+      ENV.delete("HOMEBREW_NO_EMOJI")
+      ENV.delete("HOMEBREW_INSTALL_BADGE")
+    end
+
     it "returns 🍺 by default" do
       expect(subject).to eq "🍺"
     end