diff --git a/.github/workflows/ci-java.yml b/.github/workflows/ci-java.yml
index 8fe8697f24573..875c27f082f37 100644
--- a/.github/workflows/ci-java.yml
+++ b/.github/workflows/ci-java.yml
@@ -171,6 +171,8 @@ jobs:
             ${{ runner.os }}-bazel-build-
       - name: Setup bazelisk
         uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Setup Java
         uses: actions/setup-java@v1
         with:
@@ -189,6 +191,8 @@ jobs:
           matrix.browser == 'chrome'
       - name: Start XVFB
         run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - name: Run browser tests in ${{ matrix.browser }}
         uses: ./.github/actions/bazel-test
         with:
@@ -225,6 +229,8 @@ jobs:
             ${{ runner.os }}-bazel-build-
       - name: Setup bazelisk
         uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Setup Java
         uses: actions/setup-java@v1
         with:
@@ -243,6 +249,8 @@ jobs:
           matrix.browser == 'chrome'
       - name: Start XVFB
         run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - name: Run server tests
         uses: ./.github/actions/bazel-test
         with:
@@ -270,6 +278,8 @@ jobs:
             ${{ runner.os }}-bazel-build-
       - name: Setup bazelisk
         uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Setup Java
         uses: actions/setup-java@v1
         with:
@@ -280,6 +290,8 @@ jobs:
           version: latest
       - name: Start XVFB
         run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - name: Run browser tests in Firefox
         uses: ./.github/actions/bazel-test
         with:
diff --git a/.github/workflows/ci-javascript.yml b/.github/workflows/ci-javascript.yml
index 70991e0e3a754..a169443eed367 100644
--- a/.github/workflows/ci-javascript.yml
+++ b/.github/workflows/ci-javascript.yml
@@ -53,6 +53,8 @@ jobs:
           java-version: 11
       - name: Setup bazelisk
         uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Setup Firefox and GeckoDriver
         uses: ./.github/actions/setup-firefox
         with:
@@ -98,12 +100,16 @@ jobs:
           java-version: 11
       - name: Setup bazelisk
         uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Setup Firefox and GeckoDriver
         uses: ./.github/actions/setup-firefox
         with:
           version: ${{ matrix.version }}
       - name: Start XVFB
         run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - name: Run atom tests on Firefox
         uses: ./.github/actions/bazel
         with:
diff --git a/.github/workflows/ci-python.yml b/.github/workflows/ci-python.yml
index a7f504b1b5941..005fd8e74a07f 100644
--- a/.github/workflows/ci-python.yml
+++ b/.github/workflows/ci-python.yml
@@ -132,6 +132,8 @@ jobs:
             ${{ runner.os }}-bazel-python-unit-tests-
       - name: Setup bazelisk
         uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Set up Python 3.7
         uses: actions/setup-python@v2
         with:
@@ -144,6 +146,8 @@ jobs:
         uses: ./.github/actions/setup-chrome
       - name: Start XVFB
         run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - name: Run browser tests in Chrome
         uses: ./.github/actions/bazel-test
         with:
@@ -171,6 +175,8 @@ jobs:
             ${{ runner.os }}-bazel-python-unit-tests-
       - name: Setup bazelisk
         uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Set up Python 3.7
         uses: actions/setup-python@v2
         with:
@@ -183,6 +189,8 @@ jobs:
         uses: ./.github/actions/setup-firefox
       - name: Start XVFB
         run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - name: Run browser tests in Firefox (Remote)
         uses: ./.github/actions/bazel
         with:
@@ -209,6 +217,8 @@ jobs:
             ${{ runner.os }}-bazel-python-unit-tests-
       - name: Setup bazelisk
         uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Set up Python 3.7
         uses: actions/setup-python@v2
         with:
@@ -219,8 +229,10 @@ jobs:
           java-version: '11'
       - name: Setup Firefox and GeckoDriver
         uses: ./.github/actions/setup-firefox
-      - name: Start XVFB
+      - name: Start Xvfb
         run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - name: Run browser tests in Firefox
         uses: ./.github/actions/bazel-test
         with:
diff --git a/.github/workflows/ci-ruby.yml b/.github/workflows/ci-ruby.yml
index 4e0e6b35cd0a7..f8d4180693d31 100644
--- a/.github/workflows/ci-ruby.yml
+++ b/.github/workflows/ci-ruby.yml
@@ -74,8 +74,12 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-bazel-ruby-${{ matrix.target }}-
       - uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - uses: ./.github/actions/setup-chrome
       - run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - uses: ./.github/actions/bazel
         with:
           command: test --test_output=all //rb:${{ matrix.target }}
@@ -107,9 +111,13 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-bazel-ruby-${{ matrix.target }}-
       - uses: ./.github/actions/setup-bazelisk
+      - name: Setup Fluxbox
+        run: sudo apt-get -y install fluxbox
       - name: Setup Firefox and GeckoDriver
         uses: ./.github/actions/setup-firefox
       - run: Xvfb :99 &
+      - name: Start Fluxbox
+        run: fluxbox -display :99 &
       - uses: ./.github/actions/bazel
         with:
           command: test --test_output=all //rb:${{ matrix.target }}
diff --git a/java/test/org/openqa/selenium/WindowTest.java b/java/test/org/openqa/selenium/WindowTest.java
index 7b01888edfea1..5e7087a3ffcd3 100644
--- a/java/test/org/openqa/selenium/WindowTest.java
+++ b/java/test/org/openqa/selenium/WindowTest.java
@@ -91,7 +91,6 @@ public void testGetsThePositionOfTheCurrentWindow() {
   }
 
   @Test
-  @Ignore(value = FIREFOX, gitHubActions = true, issue = "https://github.com/mozilla/geckodriver/issues/2042")
   public void testSetsThePositionOfTheCurrentWindow() {
     // Browser window cannot be resized or moved on ANDROID (and most mobile platforms
     // though others aren't defined in org.openqa.selenium.Platform).
diff --git a/py/test/selenium/webdriver/common/api_example_tests.py b/py/test/selenium/webdriver/common/api_example_tests.py
index bc95aab767ec3..adb962f591925 100644
--- a/py/test/selenium/webdriver/common/api_example_tests.py
+++ b/py/test/selenium/webdriver/common/api_example_tests.py
@@ -240,8 +240,6 @@ def test_is_element_displayed(driver, pages):
 
 
 @pytest.mark.xfail_chrome
-@pytest.mark.xfail_firefox(reason='https://github.com/mozilla/geckodriver/issues/2042')
-@pytest.mark.xfail_remote(reason='https://github.com/mozilla/geckodriver/issues/2042')
 def test_move_window_position(driver, pages):
     pages.load("blank.html")
     loc = driver.get_window_position()
diff --git a/py/test/selenium/webdriver/common/window_tests.py b/py/test/selenium/webdriver/common/window_tests.py
index 4853fd0fde4d1..90b1015d5ae1a 100644
--- a/py/test/selenium/webdriver/common/window_tests.py
+++ b/py/test/selenium/webdriver/common/window_tests.py
@@ -65,8 +65,6 @@ def test_should_get_the_position_of_the_current_window(driver):
     assert position.get('y') >= 0
 
 
-@pytest.mark.xfail_firefox(reason='https://github.com/mozilla/geckodriver/issues/2042')
-@pytest.mark.xfail_remote(reason='https://github.com/mozilla/geckodriver/issues/2042')
 def test_should_set_the_position_of_the_current_window(driver):
     position = driver.get_window_position()
 
@@ -93,8 +91,6 @@ def test_should_get_the_rect_of_the_current_window(driver):
     assert rect.get('height') >= 0
 
 
-@pytest.mark.xfail_firefox(reason='https://github.com/mozilla/geckodriver/issues/2042')
-@pytest.mark.xfail_remote(reason='https://github.com/mozilla/geckodriver/issues/2042')
 @pytest.mark.xfail_safari(raises=WebDriverException,
                           reason='Get Window Rect command not implemented')
 def test_should_set_the_rect_of_the_current_window(driver):
diff --git a/rb/spec/integration/selenium/webdriver/spec_helper.rb b/rb/spec/integration/selenium/webdriver/spec_helper.rb
index a9e22eaff0fea..489c169c1f916 100644
--- a/rb/spec/integration/selenium/webdriver/spec_helper.rb
+++ b/rb/spec/integration/selenium/webdriver/spec_helper.rb
@@ -53,8 +53,6 @@
     guards.add_condition(:driver, GlobalTestEnv.driver)
     guards.add_condition(:browser, GlobalTestEnv.browser)
     guards.add_condition(:platform, WebDriver::Platform.os)
-    window_manager = !WebDriver::Platform.linux? || !ENV['DESKTOP_SESSION'].nil?
-    guards.add_condition(:window_manager, window_manager)
 
     results = guards.disposition
     send(*results) if results
diff --git a/rb/spec/integration/selenium/webdriver/window_spec.rb b/rb/spec/integration/selenium/webdriver/window_spec.rb
index 0f0a78b24b8ff..f2454989b417b 100644
--- a/rb/spec/integration/selenium/webdriver/window_spec.rb
+++ b/rb/spec/integration/selenium/webdriver/window_spec.rb
@@ -60,10 +60,7 @@ module WebDriver
         expect(pos.y).to be >= 0
       end
 
-      it 'sets the position of the current window',
-         except: {browser: :firefox,
-                  window_manager: false,
-                  reason: 'https://github.com/mozilla/geckodriver/issues/2042'} do
+      it 'sets the position of the current window' do
         pos = window.position
 
         target_x = pos.x + 10
@@ -89,10 +86,7 @@ module WebDriver
         expect(rect.height).to be >= 0
       end
 
-      it 'sets the rect of the current window',
-         except: {browser: :firefox,
-                  window_manager: false,
-                  reason: 'https://github.com/mozilla/geckodriver/issues/2042'} do
+      it 'sets the rect of the current window' do
         rect = window.rect
 
         target_x = rect.x + 10
@@ -111,7 +105,7 @@ module WebDriver
         expect(new_rect.height).to eq(target_height)
       end
 
-      it 'can maximize the current window', except: {window_manager: false, browser: %i[ie firefox safari]} do
+      it 'can maximize the current window' do
         window.size = old_size = Dimension.new(700, 700)
 
         window.maximize
@@ -122,7 +116,7 @@ module WebDriver
         expect(new_size.height).to be > old_size.height
       end
 
-      it 'can make window full screen', except: {window_manager: false, browser: :firefox} do
+      it 'can make window full screen' do
         window.size = old_size = Dimension.new(700, 700)
 
         window.full_screen
@@ -133,7 +127,7 @@ module WebDriver
         expect(new_size.height).to be > old_size.height
       end
 
-      it 'can minimize the window', only: {window_manager: true} do
+      it 'can minimize the window' do
         window.minimize
         expect(driver.execute_script('return document.hidden;')).to be true
       end