diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index daef577c97..2e2ab77f6e 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1357,22 +1357,6 @@ class BasicsTest < ActiveRecord::TestCase
     assert_equal author_name, Topic.find(topic.id).author_name
   end
 
-  if RUBY_VERSION < '1.9'
-    def test_quote_chars
-      with_kcode('UTF8') do
-        str = 'The Narrator'
-        topic = Topic.create(:author_name => str)
-        assert_equal str, topic.author_name
-
-        assert_kind_of ActiveSupport::Multibyte.proxy_class, str.mb_chars
-        topic = Topic.find_by_author_name(str.mb_chars)
-
-        assert_kind_of Topic, topic
-        assert_equal str, topic.author_name, "The right topic should have been found by name even with name passed as Chars"
-      end
-    end
-  end
-
   def test_toggle_attribute
     assert !topics(:first).approved?
     topics(:first).toggle!(:approved)
diff --git a/activerecord/test/cases/locking_test.rb b/activerecord/test/cases/locking_test.rb
index be7edb858f..5978b244d4 100644
--- a/activerecord/test/cases/locking_test.rb
+++ b/activerecord/test/cases/locking_test.rb
@@ -421,16 +421,6 @@ unless current_adapter?(:SybaseAdapter, :OpenBaseAdapter) || in_memory_db?
         assert first.end > second.end
       end
 
-      # Hit by ruby deadlock detection since connection checkout is mutexed.
-      if RUBY_VERSION < '1.9.0'
-        def test_second_lock_waits
-          assert [0.2, 1, 5].any? { |zzz|
-            first, second = duel(zzz) { Person.find 1, :lock => true }
-            second.end > first.end
-          }
-        end
-      end
-
       protected
         def duel(zzz = 5)
           t0, t1, t2, t3 = nil, nil, nil, nil
diff --git a/activerecord/test/cases/pooled_connections_test.rb b/activerecord/test/cases/pooled_connections_test.rb
index bc3dfb1078..296621c0d1 100644
--- a/activerecord/test/cases/pooled_connections_test.rb
+++ b/activerecord/test/cases/pooled_connections_test.rb
@@ -33,14 +33,6 @@ class PooledConnectionsTest < ActiveRecord::TestCase
   end
 
   # Will deadlock due to lack of Monitor timeouts in 1.9
-  if RUBY_VERSION < '1.9'
-    def test_pooled_connection_checkout
-      checkout_connections
-      assert_equal 2, @connections.length
-      assert_equal 2, @timed_out
-    end
-  end
-
   def checkout_checkin_connections(pool_size, threads)
     ActiveRecord::Base.establish_connection(@connection.merge({:pool => pool_size, :wait_timeout => 0.5}))
     @connection_count = 0