diff --git a/include/config.hpp.cmake b/include/config.hpp.cmake
index cab5223d..cfbf2f56 100644
--- a/include/config.hpp.cmake
+++ b/include/config.hpp.cmake
@@ -29,6 +29,11 @@
 #cmakedefine VERBOSE_TRACELOG
 #cmakedefine DEBUG_HINTS
 
+static const int SINK_PRIORITY_BAR{1};
+static const int SINK_PRIORITY_SCREEN{2};
+static const int SINK_PRIORITY_TRAY{3};
+static const int SINK_PRIORITY_MODULE{4};
+
 #ifdef DEBUG_HINTS
 static const int DEBUG_HINTS_OFFSET_X{@DEBUG_HINTS_OFFSET_X@};
 static const int DEBUG_HINTS_OFFSET_Y{@DEBUG_HINTS_OFFSET_Y@};
diff --git a/include/modules/xworkspaces.hpp b/include/modules/xworkspaces.hpp
index 7fb8d03b..1c3a4ea7 100644
--- a/include/modules/xworkspaces.hpp
+++ b/include/modules/xworkspaces.hpp
@@ -45,7 +45,6 @@ namespace modules {
     xworkspaces_module(const bar_settings& bar, const logger& logger, const config& config, string name);
 
     void setup();
-    void start();
     void teardown();
     void handle(const evt::property_notify& evt);
     void update();
diff --git a/src/components/bar.cpp b/src/components/bar.cpp
index 75b9083d..171e767b 100644
--- a/src/components/bar.cpp
+++ b/src/components/bar.cpp
@@ -53,7 +53,7 @@ bar::bar(connection& conn, const config& config, const logger& logger, unique_pt
 bar::~bar() {
   std::lock_guard<std::mutex> guard(m_mutex);
   g_signals::tray::report_slotcount = nullptr;
-  m_connection.detach_sink(this, 1);
+  m_connection.detach_sink(this, SINK_PRIORITY_BAR);
   m_tray.reset();
 }
 
@@ -148,7 +148,7 @@ void bar::bootstrap(bool nodraw) {
   }
 
   m_log.trace("bar: Attaching sink to registry");
-  m_connection.attach_sink(this, 1);
+  m_connection.attach_sink(this, SINK_PRIORITY_BAR);
 
   configure_geom();
 
diff --git a/src/components/screen.cpp b/src/components/screen.cpp
index a92f0a96..33852fd2 100644
--- a/src/components/screen.cpp
+++ b/src/components/screen.cpp
@@ -60,14 +60,14 @@ screen::screen(connection& conn, const logger& logger, const config& conf)
   m_connection.clear_event_mask(m_root);
 
   // Finally attach the sink the process randr events
-  m_connection.attach_sink(this, 1);
+  m_connection.attach_sink(this, SINK_PRIORITY_SCREEN);
 }
 
 /**
  * Deconstruct screen instance
  */
 screen::~screen() {
-  m_connection.detach_sink(this, 1);
+  m_connection.detach_sink(this, SINK_PRIORITY_SCREEN);
 
   if (m_proxy != XCB_NONE) {
     m_connection.destroy_window(m_proxy);
diff --git a/src/modules/xbacklight.cpp b/src/modules/xbacklight.cpp
index 62a2837a..1dcd085b 100644
--- a/src/modules/xbacklight.cpp
+++ b/src/modules/xbacklight.cpp
@@ -65,7 +65,7 @@ namespace modules {
 
     // Connect with the event registry and make sure we get
     // notified when a RandR output property gets modified
-    m_connection.attach_sink(this, 1);
+    m_connection.attach_sink(this, SINK_PRIORITY_MODULE);
     m_connection.select_input_checked(m_proxy, XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY);
 
     // Add formats and elements
@@ -89,7 +89,7 @@ namespace modules {
    * Disconnect from the event registry
    */
   void xbacklight_module::teardown() {
-    m_connection.detach_sink(this, 1);
+    m_connection.detach_sink(this, SINK_PRIORITY_MODULE);
   }
 
   /**
diff --git a/src/modules/xkeyboard.cpp b/src/modules/xkeyboard.cpp
index 5ba927ba..fcf98063 100644
--- a/src/modules/xkeyboard.cpp
+++ b/src/modules/xkeyboard.cpp
@@ -38,7 +38,7 @@ namespace modules {
     }
 
     // Connect to the event registry
-    m_connection.attach_sink(this, 3);
+    m_connection.attach_sink(this, SINK_PRIORITY_MODULE);
 
     // Setup extension
     m_connection.xkb().select_events_checked(XCB_XKB_ID_USE_CORE_KBD,
@@ -55,7 +55,7 @@ namespace modules {
    * Disconnect from the event registry
    */
   void xkeyboard_module::teardown() {
-    m_connection.detach_sink(this, 3);
+    m_connection.detach_sink(this, SINK_PRIORITY_MODULE);
   }
 
   /**
diff --git a/src/modules/xwindow.cpp b/src/modules/xwindow.cpp
index 7b4ac6ba..5f64199a 100644
--- a/src/modules/xwindow.cpp
+++ b/src/modules/xwindow.cpp
@@ -98,7 +98,7 @@ namespace modules {
     m_connection.ensure_event_mask(m_connection.root(), XCB_EVENT_MASK_PROPERTY_CHANGE);
 
     // Connect with the event registry
-    m_connection.attach_sink(this, 1);
+    m_connection.attach_sink(this, SINK_PRIORITY_MODULE);
 
     // Trigger the initial draw event
     update();
@@ -108,7 +108,7 @@ namespace modules {
    * Disconnect from the event registry
    */
   void xwindow_module::teardown() {
-    m_connection.detach_sink(this, 1);
+    m_connection.detach_sink(this, SINK_PRIORITY_MODULE);
   }
 
   /**
diff --git a/src/modules/xworkspaces.cpp b/src/modules/xworkspaces.cpp
index 37ec343f..9962083e 100644
--- a/src/modules/xworkspaces.cpp
+++ b/src/modules/xworkspaces.cpp
@@ -83,19 +83,17 @@ namespace modules {
     // Make sure we get notified when root properties change
     window{m_connection, m_connection.root()}.ensure_event_mask(XCB_EVENT_MASK_PROPERTY_CHANGE);
 
+    // Connect with the event registry
+    m_connection.attach_sink(this, SINK_PRIORITY_MODULE);
+
     update();
   }
 
-  void xworkspaces_module::start() {
-    // Connect with the event registry
-    m_connection.attach_sink(this, 3);
-    static_module::start();
-  }
   /**
    * Disconnect from the event registry
    */
   void xworkspaces_module::teardown() {
-    m_connection.detach_sink(this, 3);
+    m_connection.detach_sink(this, SINK_PRIORITY_MODULE);
   }
 
   /**
diff --git a/src/x11/tray.cpp b/src/x11/tray.cpp
index 5c749246..d7c10249 100644
--- a/src/x11/tray.cpp
+++ b/src/x11/tray.cpp
@@ -139,11 +139,11 @@ void tray_client::configure_notify(int16_t x, int16_t y) const {  // {{{
 // implementation : tray_manager {{{
 
 tray_manager::tray_manager(connection& conn, const logger& logger) : m_connection(conn), m_log(logger) {
-  m_connection.attach_sink(this, 2);
+  m_connection.attach_sink(this, SINK_PRIORITY_TRAY);
 }
 
 tray_manager::~tray_manager() {
-  m_connection.detach_sink(this, 2);
+  m_connection.detach_sink(this, SINK_PRIORITY_TRAY);
 
   if (m_delaythread.joinable()) {
     m_delaythread.join();