diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b1d20b..ac4f965 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -290,7 +290,6 @@ if (VULKAN_WSI_LAYER_EXPERIMENTAL)
    add_definitions("-DVULKAN_WSI_LAYER_EXPERIMENTAL=1")
 else()
    list(APPEND JSON_COMMANDS COMMAND sed -i '/VK_EXT_present_timing/d' ${CMAKE_CURRENT_BINARY_DIR}/VkLayer_window_system_integration.json)
-   list(APPEND JSON_COMMANDS COMMAND sed -i '/VK_EXT_swapchain_maintenance1/d' ${CMAKE_CURRENT_BINARY_DIR}/VkLayer_window_system_integration.json)
    add_definitions("-DVULKAN_WSI_LAYER_EXPERIMENTAL=0")
 endif()
 
diff --git a/README.md b/README.md
index 4836b5b..55afcb9 100644
--- a/README.md
+++ b/README.md
@@ -21,10 +21,12 @@ The Vulkan® WSI Layer in addition to the window system integration extensions
 implements the following extensions:
 * Instance extensions
   * VK_KHR_get_surface_capabilities2
+  * VK_EXT_surface_maintenance1
 * Device extensions
   * VK_KHR_shared_presentable_image
   * VK_EXT_image_compression_control_swapchain
   * VK_KHR_present_id
+  * VK_EXT_swapchain_maintenance1
 
 ## Building
 
diff --git a/layer/layer.cpp b/layer/layer.cpp
index 4ccfb49..ed5808d 100644
--- a/layer/layer.cpp
+++ b/layer/layer.cpp
@@ -377,7 +377,6 @@ VKAPI_ATTR VkResult create_device(VkPhysicalDevice physicalDevice, const VkDevic
       device_data.set_present_id_feature_enabled(present_id_features->presentId);
    }
 
-#if VULKAN_WSI_LAYER_EXPERIMENTAL
    auto *physical_device_swapchain_maintenance1_features =
       util::find_extension<VkPhysicalDeviceSwapchainMaintenance1FeaturesEXT>(
          VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SWAPCHAIN_MAINTENANCE_1_FEATURES_EXT, pCreateInfo->pNext);
@@ -386,7 +385,6 @@ VKAPI_ATTR VkResult create_device(VkPhysicalDevice physicalDevice, const VkDevic
       device_data.set_swapchain_maintenance1_enabled(
          physical_device_swapchain_maintenance1_features->swapchainMaintenance1);
    }
-#endif
 
    return VK_SUCCESS;
 }
@@ -479,7 +477,6 @@ wsi_layer_vkGetPhysicalDeviceFeatures2KHR(VkPhysicalDevice physicalDevice,
                                           VkPhysicalDeviceFeatures2 *pFeatures) VWL_API_POST
 {
    auto &instance = layer::instance_private_data::get(physicalDevice);
-#if VULKAN_WSI_LAYER_EXPERIMENTAL
    auto *physical_device_swapchain_maintenance1_features =
       util::find_extension<VkPhysicalDeviceSwapchainMaintenance1FeaturesEXT>(
          VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SWAPCHAIN_MAINTENANCE_1_FEATURES_EXT, pFeatures->pNext);
@@ -487,7 +484,6 @@ wsi_layer_vkGetPhysicalDeviceFeatures2KHR(VkPhysicalDevice physicalDevice,
    {
       physical_device_swapchain_maintenance1_features->swapchainMaintenance1 = false;
    }
-#endif
    instance.disp.GetPhysicalDeviceFeatures2KHR(physicalDevice, pFeatures);
 
    auto *image_compression_control_swapchain_features =
@@ -506,9 +502,9 @@ wsi_layer_vkGetPhysicalDeviceFeatures2KHR(VkPhysicalDevice physicalDevice,
       present_id_features->presentId = true;
    }
 
-#if VULKAN_WSI_LAYER_EXPERIMENTAL
    wsi::set_swapchain_maintenance1_state(physicalDevice, physical_device_swapchain_maintenance1_features);
 
+#if VULKAN_WSI_LAYER_EXPERIMENTAL
    auto *present_timing_features = util::find_extension<VkPhysicalDevicePresentTimingFeaturesEXT>(
       VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PRESENT_TIMING_FEATURES_EXT, pFeatures->pNext);
    if (present_timing_features != nullptr)
@@ -557,14 +553,12 @@ wsi_layer_vkGetDeviceProcAddr(VkDevice device, const char *funcName) VWL_API_POS
    GET_PROC_ADDR(vkCreateImage);
    GET_PROC_ADDR(vkBindImageMemory2);
 
-#if VULKAN_WSI_LAYER_EXPERIMENTAL
    /* VK_EXT_swapchain_maintenance1 */
    if (layer::device_private_data::get(device).is_device_extension_enabled(
           VK_EXT_SWAPCHAIN_MAINTENANCE_1_EXTENSION_NAME))
    {
       GET_PROC_ADDR(vkReleaseSwapchainImagesEXT);
    }
-#endif
 
    return layer::device_private_data::get(device).disp.get_user_enabled_entrypoint(
       device, layer::device_private_data::get(device).instance_data.api_version, funcName);