diff --git a/logstash-core/spec/logstash/pipeline_pq_file_spec.rb b/logstash-core/spec/logstash/pipeline_pq_file_spec.rb
index 0b0fbe392..59f23ce07 100644
--- a/logstash-core/spec/logstash/pipeline_pq_file_spec.rb
+++ b/logstash-core/spec/logstash/pipeline_pq_file_spec.rb
@@ -1,8 +1,8 @@
 # encoding: utf-8
 require "spec_helper"
 require "logstash/inputs/generator"
-require "logstash/filters/multiline"
 require_relative "../support/helpers"
+require_relative "../support/mocks_classes"
 
 class PipelinePqFileOutput < LogStash::Outputs::Base
   config_name "pipelinepqfileoutput"
@@ -40,7 +40,7 @@ describe LogStash::Pipeline do
   let(:pipeline_settings_obj) { LogStash::SETTINGS.clone }
   let(:pipeline_id) { "main" }
 
-  let(:multiline_id) { "my-multiline" }
+  let(:dummy_id) { "my-dummyid" }
   let(:output_id) { "my-pipelinepqfileoutput" }
   let(:generator_id) { "my-generator" }
   let(:config) do
@@ -52,10 +52,8 @@ describe LogStash::Pipeline do
       }
     }
     filter {
-      multiline {
-        id => "#{multiline_id}"
-        pattern => "hello"
-        what => next
+      dummyfilter {
+        id => "#{dummy_id}"
       }
     }
     output {
@@ -98,7 +96,7 @@ describe LogStash::Pipeline do
     allow(PipelinePqFileOutput).to receive(:new).with(any_args).and_return(counting_output)
     allow(LogStash::Plugin).to receive(:lookup).with("input", "generator").and_return(LogStash::Inputs::Generator)
     allow(LogStash::Plugin).to receive(:lookup).with("codec", "plain").and_return(LogStash::Codecs::Plain)
-    allow(LogStash::Plugin).to receive(:lookup).with("filter", "multiline").and_return(LogStash::Filters::Multiline)
+    allow(LogStash::Plugin).to receive(:lookup).with("filter", "dummyfilter").and_return(LogStash::Filters::DummyFilter)
     allow(LogStash::Plugin).to receive(:lookup).with("output", "pipelinepqfileoutput").and_return(PipelinePqFileOutput)
 
     pipeline_workers_setting = LogStash::SETTINGS.get_setting("pipeline.workers")
diff --git a/logstash-core/spec/logstash/pipeline_spec.rb b/logstash-core/spec/logstash/pipeline_spec.rb
index d4dc0fe98..5be9567db 100644
--- a/logstash-core/spec/logstash/pipeline_spec.rb
+++ b/logstash-core/spec/logstash/pipeline_spec.rb
@@ -1,7 +1,7 @@
 # encoding: utf-8
 require "spec_helper"
 require "logstash/inputs/generator"
-require "logstash/filters/multiline"
+require "logstash/filters/drop"
 require_relative "../support/mocks_classes"
 require_relative "../support/helpers"
 require_relative "../logstash/pipeline_reporter_spec" # for DummyOutput class
@@ -411,19 +411,12 @@ describe LogStash::Pipeline do
     context "cancelled events should not propagate down the filters" do
       config <<-CONFIG
         filter {
-          multiline {
-           pattern => "hello"
-           what => next
-          }
-          multiline {
-           pattern => "hello"
-           what => next
-          }
+          drop {}
         }
       CONFIG
 
       sample("hello") do
-        expect(subject.get("message")).to eq("hello")
+        expect(subject).to eq(nil)
       end
     end
 
@@ -433,19 +426,10 @@ describe LogStash::Pipeline do
           clone {
             clones => ["clone1"]
           }
-          multiline {
-            pattern => "bar"
-            what => previous
-          }
         }
       CONFIG
-
       sample(["foo", "bar"]) do
-        expect(subject.size).to eq(2)
-        expect(subject[0].get("message")).to eq("foo\nbar")
-        expect(subject[0].get("type")).to be_nil
-        expect(subject[1].get("message")).to eq("foo\nbar")
-        expect(subject[1].get("type")).to eq("clone1")
+        expect(subject.size).to eq(4)
       end
     end
   end
@@ -797,8 +781,8 @@ describe LogStash::Pipeline do
     let(:pipeline_settings) { { "pipeline.id" => pipeline_id } }
     let(:pipeline_id) { "main" }
     let(:number_of_events) { 420 }
-    let(:multiline_id) { "my-multiline" }
-    let(:multiline_id_other) { "my-multiline_other" }
+    let(:dummy_id) { "my-multiline" }
+    let(:dummy_id_other) { "my-multiline_other" }
     let(:dummy_output_id) { "my-dummyoutput" }
     let(:generator_id) { "my-generator" }
     let(:config) do
@@ -810,15 +794,11 @@ describe LogStash::Pipeline do
         }
       }
       filter {
-         multiline {
-              id => "#{multiline_id}"
-              pattern => "hello"
-              what => next
+          dummyfilter {
+              id => "#{dummy_id}"
           }
-          multiline {
-               id => "#{multiline_id_other}"
-               pattern => "hello"
-               what => next
+          dummyfilter {
+               id => "#{dummy_id_other}"
            }
       }
       output {
@@ -841,7 +821,7 @@ describe LogStash::Pipeline do
       allow(::LogStash::Outputs::DummyOutput).to receive(:new).with(any_args).and_return(dummyoutput)
       allow(LogStash::Plugin).to receive(:lookup).with("input", "generator").and_return(LogStash::Inputs::Generator)
       allow(LogStash::Plugin).to receive(:lookup).with("codec", "plain").and_return(LogStash::Codecs::Plain)
-      allow(LogStash::Plugin).to receive(:lookup).with("filter", "multiline").and_return(LogStash::Filters::Multiline)
+      allow(LogStash::Plugin).to receive(:lookup).with("filter", "dummyfilter").and_return(LogStash::Filters::DummyFilter)
       allow(LogStash::Plugin).to receive(:lookup).with("output", "dummyoutput").and_return(::LogStash::Outputs::DummyOutput)
 
       pipeline_thread
@@ -885,7 +865,7 @@ describe LogStash::Pipeline do
       end
 
       it "populates the filter metrics" do
-        [multiline_id, multiline_id_other].map(&:to_sym).each do |id|
+        [dummy_id, dummy_id_other].map(&:to_sym).each do |id|
           [:in, :out].each do |metric_key|
             plugin_name = id.to_sym
             expect(collected_metric[:stats][:pipelines][:main][:plugins][:filters][plugin_name][:events][metric_key].value).to eq(number_of_events)
@@ -907,9 +887,9 @@ describe LogStash::Pipeline do
       end
 
       it "populates the name of the filter plugin" do
-        [multiline_id, multiline_id_other].map(&:to_sym).each do |id|
+        [dummy_id, dummy_id_other].map(&:to_sym).each do |id|
           plugin_name = id.to_sym
-          expect(collected_metric[:stats][:pipelines][:main][:plugins][:filters][plugin_name][:name].value).to eq(LogStash::Filters::Multiline.config_name)
+          expect(collected_metric[:stats][:pipelines][:main][:plugins][:filters][plugin_name][:name].value).to eq(LogStash::Filters::DummyFilter.config_name)
         end
       end
 
diff --git a/logstash-core/spec/support/mocks_classes.rb b/logstash-core/spec/support/mocks_classes.rb
index 4b69cd534..f86263fb3 100644
--- a/logstash-core/spec/support/mocks_classes.rb
+++ b/logstash-core/spec/support/mocks_classes.rb
@@ -14,6 +14,20 @@ module LogStash
       end
     end
   end
+
+  module Filters
+    class DummyFilter < LogStash::Filters::Base
+      config_name "dummyfilter"
+
+      def register
+      end
+
+      def filter(event)
+        # noop
+      end
+    end
+  end
+
   module Outputs
     class DummyOutput < LogStash::Outputs::Base
       config_name "dummyoutput"