diff --git a/Gemfile b/Gemfile
index 9847a55e8..0b3fddb73 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,10 +8,10 @@ gem "rake", "~> 12.0"
 ruby_version = Gem::Version.new(RUBY_VERSION)
 
 # Development tools
-if ruby_version >= Gem::Version.new("2.7.0")
-  gem "debug", github: "ruby/debug", platform: :ruby
+if RUBY_PLATFORM != "java" && ruby_version >= Gem::Version.new("2.7.0")
+  gem "debug", github: "ruby/debug"
   gem "irb"
-  gem "ruby-lsp-rspec" if ruby_version >= Gem::Version.new("3.0.0") && RUBY_PLATFORM != "java"
+  gem "ruby-lsp-rspec" if ruby_version >= Gem::Version.new("3.0.0")
 end
 
 # For RSpec
diff --git a/sentry-delayed_job/Gemfile b/sentry-delayed_job/Gemfile
index d32b3f24e..ddf765ba0 100644
--- a/sentry-delayed_job/Gemfile
+++ b/sentry-delayed_job/Gemfile
@@ -8,9 +8,6 @@ gemspec
 gem "sentry-ruby", path: "../sentry-ruby"
 gem "sentry-rails", path: "../sentry-rails"
 
-# For https://github.com/ruby/psych/issues/655
-gem "psych", "5.1.0"
-
 gem "delayed_job"
 gem "delayed_job_active_record"