diff --git a/lib/appsignal.rb b/lib/appsignal.rb
index 2ce169ee8..4200aa3bf 100644
--- a/lib/appsignal.rb
+++ b/lib/appsignal.rb
@@ -279,21 +279,6 @@ def active?
       config && config.active? && extension_loaded?
     end
 
-    # @deprecated No replacement
-    def is_ignored_error?(error) # rubocop:disable Naming/PredicateName
-      deprecation_message "Appsignal.is_ignored_error? is deprecated " \
-        "with no replacement and will be removed in version 3.0."
-      Appsignal.config[:ignore_errors].include?(error.class.name)
-    end
-    alias :is_ignored_exception? :is_ignored_error?
-
-    # @deprecated No replacement
-    def is_ignored_action?(action) # rubocop:disable Naming/PredicateName
-      deprecation_message "Appsignal.is_ignored_action? is deprecated " \
-        "with no replacement and will be removed in version 3.0."
-      Appsignal.config[:ignore_actions].include?(action)
-    end
-
     private
 
     def start_stdout_logger
diff --git a/spec/lib/appsignal_spec.rb b/spec/lib/appsignal_spec.rb
index 488b3054c..8aabbe526 100644
--- a/spec/lib/appsignal_spec.rb
+++ b/spec/lib/appsignal_spec.rb
@@ -950,70 +950,6 @@
         end
       end
     end
-
-    describe ".is_ignored_error?" do
-      let(:error) { StandardError.new }
-      let(:err_stream) { std_stream }
-      let(:stderr) { err_stream.read }
-      before do
-        allow(Appsignal).to receive(:config).and_return(:ignore_errors => ["StandardError"])
-      end
-
-      subject do
-        capture_std_streams(std_stream, err_stream) do
-          Appsignal.is_ignored_error?(error)
-        end
-      end
-
-      it "should return true if it's in the ignored list" do
-        is_expected.to be_truthy
-      end
-
-      it "outputs deprecated warning" do
-        subject
-        expect(stderr).to include("Appsignal.is_ignored_error? is deprecated with no replacement")
-      end
-
-      context "when error is not in the ignored list" do
-        let(:error) { Object.new }
-
-        it "should return false" do
-          is_expected.to be_falsy
-        end
-      end
-    end
-
-    describe ".is_ignored_action?" do
-      let(:action) { "TestController#isup" }
-      let(:err_stream) { std_stream }
-      let(:stderr) { err_stream.read }
-      before do
-        allow(Appsignal).to receive(:config).and_return(:ignore_actions => "TestController#isup")
-      end
-
-      subject do
-        capture_std_streams(std_stream, err_stream) do
-          Appsignal.is_ignored_action?(action)
-        end
-      end
-
-      it "should return true if it's in the ignored list" do
-        is_expected.to be_truthy
-      end
-
-      it "outputs deprecated warning" do
-        subject
-        expect(stderr).to include("Appsignal.is_ignored_action? is deprecated with no replacement")
-      end
-
-      context "when action is not in the ingore list" do
-        let(:action) { "TestController#other_action" }
-
-        it "should return false" do
-          is_expected.to be_falsy
-        end
-      end
-    end
   end
 
   describe ".start_logger" do