1 files changed, 1 insertions, 4 deletions
diff --git a/activerecord/test/cases/helper.rb b/activerecord/test/cases/helper.rb
index 9f5f012073..345ae0b582 100644
--- a/activerecord/test/cases/helper.rb
+++ b/activerecord/test/cases/helper.rb
@@ -19,9 +19,6 @@ require 'support/connection'
 # Show backtraces for deprecated behavior for quicker cleanup.
 ActiveSupport::Deprecation.debug = true
 
-# Enable Identity Map only when ENV['IM'] is set to "true"
-ActiveRecord::IdentityMap.enabled = (ENV['IM'] == "true")
-
 # Avoid deprecation warning setting dependent_restrict_raises to false. The default is true
 ActiveRecord::Base.dependent_restrict_raises = false
 
@@ -39,7 +36,7 @@ def current_adapter?(*types)
 end
 
 def in_memory_db?
-  current_adapter?(:SQLiteAdapter) &&
+  current_adapter?(:SQLite3Adapter) &&
   ActiveRecord::Base.connection_pool.spec.config[:database] == ":memory:"
 end