diff --git a/Gemfile b/Gemfile
index f76e5f4..792eea4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,4 +3,4 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in chatwork.gemspec
 gemspec
 
-eval_gemfile "#{__dir__}/gemfiles/common.gemfile"
+# eval_gemfile "#{__dir__}/gemfiles/common.gemfile"
diff --git a/gemfiles/common.gemfile b/gemfiles/common.gemfile
deleted file mode 100644
index 824d3bf..0000000
--- a/gemfiles/common.gemfile
+++ /dev/null
@@ -1,3 +0,0 @@
-# FIXME: Workaround for Ruby 4.0+
-# ref. https://github.com/banister/binding_of_caller/pull/90
-gem "binding_of_caller", github: "kivikakk/binding_of_caller", branch: "push-yrnnzolypxun"
diff --git a/gemfiles/faraday_2.gemfile b/gemfiles/faraday_2.gemfile
index ea3a2dd..38a88d4 100644
--- a/gemfiles/faraday_2.gemfile
+++ b/gemfiles/faraday_2.gemfile
@@ -3,6 +3,6 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in chatwork.gemspec
 gemspec path: "../"
 
-eval_gemfile "#{__dir__}/common.gemfile"
+# eval_gemfile "#{__dir__}/common.gemfile"
 
 gem "faraday", "~> 2.0"