diff --git a/Gemfile b/Gemfile
index 9dfc2ea920..b568c4ab83 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ group :development, :test do
     gem "bumpy"
     gem "yard"
     gem "redcarpet"
-    gem "pry-byebug"
+    gem "debug"
     gem "listen"
     gem "localeapp", "~> 3.0", require: false
     gem "dotenv", "~> 2.2"
diff --git a/spec/models/alchemy/element_spec.rb b/spec/models/alchemy/element_spec.rb
index bdabd84c56..f3f01f6feb 100644
--- a/spec/models/alchemy/element_spec.rb
+++ b/spec/models/alchemy/element_spec.rb
@@ -233,7 +233,6 @@ module Alchemy
         let(:yaml) { "- name: :symbol" }
 
         before do
-          expect(File).to receive(:exist?).and_return(true)
           expect(File).to receive(:read).and_return(yaml)
         end
 
@@ -246,7 +245,6 @@ module Alchemy
         let(:yaml) { "- default: 2017-12-24" }
 
         before do
-          expect(File).to receive(:exist?).and_return(true)
           expect(File).to receive(:read).and_return(yaml)
         end
 
@@ -259,7 +257,6 @@ module Alchemy
         let(:yaml) { "- format: !ruby/regexp '/\A[^@\s]+@([^@\s]+.)+[^@\s]+\z/'" }
 
         before do
-          expect(File).to receive(:exist?).and_return(true)
           expect(File).to receive(:read).and_return(yaml)
         end