From 8fa1fff85657ce3cf0782bd1bbd6fe64c9dbec1c Mon Sep 17 00:00:00 2001
From: Spring_MT <today.is.sky.blue.sky@gmail.com>
Date: Sun, 9 Aug 2026 22:26:16 +0900
Subject: [PATCH] Revert "Add Valgrind memcheck (ruby_memcheck) for the C
 extension"

---
 Gemfile  |  2 --
 Rakefile | 28 ----------------------------
 2 files changed, 30 deletions(-)

diff --git a/Gemfile b/Gemfile
index 2c76704..afffcc2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,5 +2,3 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in zstd_ruby.gemspec
 gemspec
-
-gem 'ruby_memcheck', '~> 3.0' if RUBY_PLATFORM.include?('linux')
diff --git a/Rakefile b/Rakefile
index a2eb7e5..f76e1c2 100644
--- a/Rakefile
+++ b/Rakefile
@@ -15,34 +15,6 @@ end
 
 task :default => [:clobber, :compile, :spec]
 
-if RUBY_PLATFORM.include?('linux')
-  begin
-    require 'ruby_memcheck'
-    require 'ruby_memcheck/rspec/rake_task'
-
-    RubyMemcheck.config(
-      binary_name: 'zstdruby',
-      # Valgrind and YJIT interfere with each other, adding noise and slowdown,
-      # so keep YJIT disabled while running under Valgrind.
-      ruby: "#{FileUtils::RUBY} --disable-yjit"
-    )
-
-    namespace :spec do
-      task :check_valgrind do
-        unless system('command -v valgrind > /dev/null 2>&1')
-          abort("\nValgrind is required for `rake spec:valgrind` but was not found.\n" \
-                "Install it first (Linux only), e.g. `sudo apt-get install valgrind`.\n")
-        end
-      end
-
-      RubyMemcheck::RSpec::RakeTask.new(valgrind: [:check_valgrind, :compile])
-    end
-  rescue LoadError
-    # ruby_memcheck is an optional, Linux-only development dependency. If it is
-    # not installed just skip defining the task instead of breaking the Rakefile.
-  end
-end
-
 desc 'Sync zstd libs dirs to ext/zstdruby/libzstd'
 task :zstd_update do
   FileUtils.rm_r("ext/zstdruby/libzstd")