diff --git a/tests/integration/deploy/test_deploy_command.py b/tests/integration/deploy/test_deploy_command.py
index 370bef1fac..9f0231127b 100644
--- a/tests/integration/deploy/test_deploy_command.py
+++ b/tests/integration/deploy/test_deploy_command.py
@@ -1197,29 +1197,3 @@ def test_deploy_logs_warning_with_cdk_project(self):
         deploy_process_execute = run_command(deploy_command_list)
         self.assertIn(warning_message, deploy_process_execute.stdout)
         self.assertEqual(deploy_process_execute.process.returncode, 0)
-
-    def _method_to_stack_name(self, method_name):
-        """Method expects method name which can be a full path. Eg: test.integration.test_deploy_command.method_name"""
-        method_name = method_name.split(".")[-1]
-        return f"{method_name.replace('_', '-')}-{CFN_PYTHON_VERSION_SUFFIX}"
-
-    def _stack_name_to_companion_stack(self, stack_name):
-        return CompanionStack(stack_name).stack_name
-
-    def _delete_companion_stack(self, cfn_client, ecr_client, companion_stack_name):
-        repos = list()
-        try:
-            cfn_client.describe_stacks(StackName=companion_stack_name)
-        except ClientError:
-            return
-        stack = boto3.resource("cloudformation").Stack(companion_stack_name)
-        resources = stack.resource_summaries.all()
-        for resource in resources:
-            if resource.resource_type == "AWS::ECR::Repository":
-                repos.append(resource.physical_resource_id)
-        for repo in repos:
-            try:
-                ecr_client.delete_repository(repositoryName=repo, force=True)
-            except ecr_client.exceptions.RepositoryNotFoundException:
-                pass
-        cfn_client.delete_stack(StackName=companion_stack_name)
diff --git a/tests/integration/testdata/sync/infra/after/Ruby/function/Gemfile b/tests/integration/testdata/sync/infra/after/Ruby/function/Gemfile
index 69fc281fa7..2000ad3a89 100644
--- a/tests/integration/testdata/sync/infra/after/Ruby/function/Gemfile
+++ b/tests/integration/testdata/sync/infra/after/Ruby/function/Gemfile
@@ -2,4 +2,4 @@ source "https://rubygems.org"
 
 gem "ruby-statistics"
 
-ruby '~> 2.7.0'
+ruby '~> 2.5.0'
diff --git a/tests/integration/testdata/sync/infra/after/Ruby/layer/Gemfile b/tests/integration/testdata/sync/infra/after/Ruby/layer/Gemfile
index 620aaa62f8..a76cdc43e5 100644
--- a/tests/integration/testdata/sync/infra/after/Ruby/layer/Gemfile
+++ b/tests/integration/testdata/sync/infra/after/Ruby/layer/Gemfile
@@ -1,3 +1,3 @@
 source "https://rubygems.org"
 
-ruby '~> 2.7.0'
+ruby '~> 2.5.0'
diff --git a/tests/integration/testdata/sync/infra/before/Ruby/function/Gemfile b/tests/integration/testdata/sync/infra/before/Ruby/function/Gemfile
index 69fc281fa7..2000ad3a89 100644
--- a/tests/integration/testdata/sync/infra/before/Ruby/function/Gemfile
+++ b/tests/integration/testdata/sync/infra/before/Ruby/function/Gemfile
@@ -2,4 +2,4 @@ source "https://rubygems.org"
 
 gem "ruby-statistics"
 
-ruby '~> 2.7.0'
+ruby '~> 2.5.0'
diff --git a/tests/integration/testdata/sync/infra/before/Ruby/layer/Gemfile b/tests/integration/testdata/sync/infra/before/Ruby/layer/Gemfile
index 620aaa62f8..a76cdc43e5 100644
--- a/tests/integration/testdata/sync/infra/before/Ruby/layer/Gemfile
+++ b/tests/integration/testdata/sync/infra/before/Ruby/layer/Gemfile
@@ -1,3 +1,3 @@
 source "https://rubygems.org"
 
-ruby '~> 2.7.0'
+ruby '~> 2.5.0'
diff --git a/tests/integration/testdata/sync/infra/template-ruby-after.yaml b/tests/integration/testdata/sync/infra/template-ruby-after.yaml
index dc869b1691..7a50622960 100644
--- a/tests/integration/testdata/sync/infra/template-ruby-after.yaml
+++ b/tests/integration/testdata/sync/infra/template-ruby-after.yaml
@@ -12,7 +12,7 @@ Resources:
       AutoPublishAlias: Hello1Alias
       CodeUri: after/Ruby/function/
       Handler: app.lambda_handler
-      Runtime: ruby2.7
+      Runtime: ruby2.5
       Architectures:
         - x86_64
       Layers:
@@ -25,6 +25,6 @@ Resources:
       Description: Hello World Ruby Layer
       ContentUri: after/Ruby/layer/
       CompatibleRuntimes:
-        - ruby2.7
+        - ruby2.5
     Metadata:
-      BuildMethod: ruby2.7
\ No newline at end of file
+      BuildMethod: ruby2.5
\ No newline at end of file
diff --git a/tests/integration/testdata/sync/infra/template-ruby-before.yaml b/tests/integration/testdata/sync/infra/template-ruby-before.yaml
index f5c312b2cb..5dfc0a72c5 100644
--- a/tests/integration/testdata/sync/infra/template-ruby-before.yaml
+++ b/tests/integration/testdata/sync/infra/template-ruby-before.yaml
@@ -12,7 +12,7 @@ Resources:
       AutoPublishAlias: Hello1Alias
       CodeUri: before/Ruby/function/
       Handler: app.lambda_handler
-      Runtime: ruby2.7
+      Runtime: ruby2.5
       Architectures:
         - x86_64
       Layers:
@@ -25,6 +25,6 @@ Resources:
       Description: Hello World Ruby Layer
       ContentUri: before/Ruby/layer/
       CompatibleRuntimes:
-        - ruby2.7
+        - ruby2.5
     Metadata:
-      BuildMethod: ruby2.7
\ No newline at end of file
+      BuildMethod: ruby2.5
\ No newline at end of file