diff --git a/.env.test b/.env.test
index e247a2e952..871f85d136 100644
--- a/.env.test
+++ b/.env.test
@@ -4,7 +4,4 @@ NODE_ENV=production
 LOCAL_DOMAIN=cb6e6126.ngrok.io
 LOCAL_HTTPS=true
 # Elasticsearch
-ES_ENABLED=false
-ES_HOST=localhost
-ES_PORT=9200
 ES_PREFIX=test
diff --git a/.github/workflows/test-ruby.yml b/.github/workflows/test-ruby.yml
index dfd217a5e7..cccaad296d 100644
--- a/.github/workflows/test-ruby.yml
+++ b/.github/workflows/test-ruby.yml
@@ -259,19 +259,6 @@ jobs:
         ports:
           - 6379:6379
 
-      search:
-        image: ${{ matrix.search-image }}
-        env:
-          discovery.type: single-node
-          xpack.security.enabled: false
-        options: >-
-          --health-cmd "curl http://localhost:9200/_cluster/health"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 10
-        ports:
-          - 9200:9200
-
     env:
       DB_HOST: localhost
       DB_USER: postgres
@@ -313,6 +300,32 @@ jobs:
       - name: Set up Javascript environment
         uses: ./.github/actions/setup-javascript
 
+      - name: Configure sysctl limits
+        run: |
+          sudo swapoff -a
+          sudo sysctl -w vm.swappiness=1
+          sudo sysctl -w fs.file-max=262144
+          sudo sysctl -w vm.max_map_count=262144
+
+      - name: Install Elasticsearch
+        run: |
+          wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.17.10-amd64.deb
+          wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.17.10-amd64.deb.sha512
+          shasum -a 512 -c elasticsearch-7.17.10-amd64.deb.sha512
+          sudo dpkg -i elasticsearch-7.17.10-amd64.deb
+          sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install https://github.com/WorksApplications/elasticsearch-sudachi/releases/download/v3.1.0/elasticsearch-7.17.10-analysis-sudachi-3.1.0.zip
+
+      - name: Install dictionary
+        run: |
+          wget http://sudachi.s3-website-ap-northeast-1.amazonaws.com/sudachidict/sudachi-dictionary-latest-core.zip
+          unzip sudachi-dictionary-latest-core.zip
+          sudo mkdir /etc/elasticsearch/sudachi -p
+          sudo cp sudachi-dictionary-*/system_core.dic /etc/elasticsearch/sudachi
+
+      - name: Running Elasticsearch
+        run: |
+          sudo systemctl start elasticsearch
+
       - name: Load database schema
         run: './bin/rails db:create db:schema:load db:seed'
 
diff --git a/app/chewy/accounts_index.rb b/app/chewy/accounts_index.rb
index 9503fb85a1..0b44ab5f16 100644
--- a/app/chewy/accounts_index.rb
+++ b/app/chewy/accounts_index.rb
@@ -1,72 +1,7 @@
 # frozen_string_literal: true
 
 class AccountsIndex < Chewy::Index
-  DEVELOPMENT_SETTINGS = {
-    filter: {
-      english_stop: {
-        type: 'stop',
-        stopwords: '_english_',
-      },
-
-      english_stemmer: {
-        type: 'stemmer',
-        language: 'english',
-      },
-
-      english_possessive_stemmer: {
-        type: 'stemmer',
-        language: 'possessive_english',
-      },
-    },
-
-    analyzer: {
-      natural: {
-        tokenizer: 'standard',
-        filter: %w(
-          lowercase
-          asciifolding
-          cjk_width
-          elision
-          english_possessive_stemmer
-          english_stop
-          english_stemmer
-        ),
-      },
-
-      sudachi_analyzer: {
-        tokenizer: 'standard',
-        filter: %w(
-          lowercase
-          asciifolding
-          cjk_width
-          elision
-          english_possessive_stemmer
-          english_stop
-          english_stemmer
-        ),
-      },
-
-      verbatim: {
-        tokenizer: 'standard',
-        filter: %w(lowercase asciifolding cjk_width),
-      },
-
-      edge_ngram: {
-        tokenizer: 'edge_ngram',
-        filter: %w(lowercase asciifolding cjk_width),
-      },
-    },
-
-    tokenizer: {
-      edge_ngram: {
-        type: 'edge_ngram',
-        min_gram: 1,
-        max_gram: 15,
-      },
-    },
-  }.freeze
-
-  PRODUCTION_SETTINGS = {
+  settings index: index_preset(refresh_interval: '30s'), analysis: {
     filter: {
       english_stop: {
         type: 'stop',
@@ -142,9 +77,7 @@ class AccountsIndex < Chewy::Index
         discard_punctuation: 'true',
       },
     },
-  }.freeze
-
-  settings index: index_preset(refresh_interval: '30s'), analysis: Rails.env.test? ? DEVELOPMENT_SETTINGS : PRODUCTION_SETTINGS
+  }
 
   index_scope ::Account.searchable.includes(:account_stat)
 
diff --git a/app/chewy/public_statuses_index.rb b/app/chewy/public_statuses_index.rb
index ac988d0cde..dc129434e4 100644
--- a/app/chewy/public_statuses_index.rb
+++ b/app/chewy/public_statuses_index.rb
@@ -1,69 +1,7 @@
 # frozen_string_literal: true
 
 class PublicStatusesIndex < Chewy::Index
-  DEVELOPMENT_SETTINGS = {
-    filter: {
-      english_stop: {
-        type: 'stop',
-        stopwords: '_english_',
-      },
-
-      english_stemmer: {
-        type: 'stemmer',
-        language: 'english',
-      },
-
-      english_possessive_stemmer: {
-        type: 'stemmer',
-        language: 'possessive_english',
-      },
-    },
-
-    analyzer: {
-      verbatim: {
-        tokenizer: 'uax_url_email',
-        filter: %w(lowercase),
-      },
-
-      content: {
-        tokenizer: 'standard',
-        filter: %w(
-          lowercase
-          asciifolding
-          cjk_width
-          elision
-          english_possessive_stemmer
-          english_stop
-          english_stemmer
-        ),
-      },
-
-      sudachi_analyzer: {
-        tokenizer: 'standard',
-        filter: %w(
-          lowercase
-          asciifolding
-          cjk_width
-          elision
-          english_possessive_stemmer
-          english_stop
-          english_stemmer
-        ),
-      },
-
-      hashtag: {
-        tokenizer: 'keyword',
-        filter: %w(
-          word_delimiter_graph
-          lowercase
-          asciifolding
-          cjk_width
-        ),
-      },
-    },
-  }.freeze
-
-  PRODUCTION_SETTINGS = {
+  settings index: index_preset(refresh_interval: '30s', number_of_shards: 5), analysis: {
     filter: {
       english_stop: {
         type: 'stop',
@@ -137,9 +75,7 @@ class PublicStatusesIndex < Chewy::Index
         discard_punctuation: 'true',
       },
     },
-  }.freeze
-
-  settings index: index_preset(refresh_interval: '30s', number_of_shards: 5), analysis: Rails.env.test? ? DEVELOPMENT_SETTINGS : PRODUCTION_SETTINGS
+  }
 
   index_scope ::Status.unscoped
                       .kept
diff --git a/app/chewy/statuses_index.rb b/app/chewy/statuses_index.rb
index 82ddd07005..fbceb69de7 100644
--- a/app/chewy/statuses_index.rb
+++ b/app/chewy/statuses_index.rb
@@ -1,68 +1,7 @@
 # frozen_string_literal: true
 
 class StatusesIndex < Chewy::Index
-  DEVELOPMENT_SETTINGS = {
-    filter: {
-      english_stop: {
-        type: 'stop',
-        stopwords: '_english_',
-      },
-
-      english_stemmer: {
-        type: 'stemmer',
-        language: 'english',
-      },
-
-      english_possessive_stemmer: {
-        type: 'stemmer',
-        language: 'possessive_english',
-      },
-    },
-    analyzer: {
-      verbatim: {
-        tokenizer: 'uax_url_email',
-        filter: %w(lowercase),
-      },
-
-      content: {
-        tokenizer: 'standard',
-        filter: %w(
-          lowercase
-          asciifolding
-          cjk_width
-          elision
-          english_possessive_stemmer
-          english_stop
-          english_stemmer
-        ),
-      },
-
-      sudachi_analyzer: {
-        tokenizer: 'standard',
-        filter: %w(
-          lowercase
-          asciifolding
-          cjk_width
-          elision
-          english_possessive_stemmer
-          english_stop
-          english_stemmer
-        ),
-      },
-
-      hashtag: {
-        tokenizer: 'keyword',
-        filter: %w(
-          word_delimiter_graph
-          lowercase
-          asciifolding
-          cjk_width
-        ),
-      },
-    },
-  }.freeze
-
-  PRODUCTION_SETTINGS = {
+  settings index: index_preset(refresh_interval: '30s', number_of_shards: 5), analysis: {
     filter: {
       english_stop: {
         type: 'stop',
@@ -140,9 +79,7 @@ class StatusesIndex < Chewy::Index
         discard_punctuation: 'true',
       },
     },
-  }.freeze
-
-  settings index: index_preset(refresh_interval: '30s', number_of_shards: 5), analysis: Rails.env.test? ? DEVELOPMENT_SETTINGS : PRODUCTION_SETTINGS
+  }
 
   index_scope ::Status.unscoped.kept.without_reblogs.includes(
     :account,