diff --git a/src/cocoa_window.m b/src/cocoa_window.m
index d2aab85f9..a5ea57ee5 100644
--- a/src/cocoa_window.m
+++ b/src/cocoa_window.m
@@ -1272,6 +1272,10 @@ void _glfwPlatformShowWindow(_GLFWwindow* window)
     [window->ns.object orderFront:nil];
 }
 
+void _glfwPlatformRequestWindowAttention(_GLFWwindow* window)
+{
+}
+
 void _glfwPlatformHideWindow(_GLFWwindow* window)
 {
     [window->ns.object orderOut:nil];
diff --git a/src/mir_window.c b/src/mir_window.c
index 00d50ada9..42e2f4b1a 100644
--- a/src/mir_window.c
+++ b/src/mir_window.c
@@ -567,6 +567,10 @@ void _glfwPlatformShowWindow(_GLFWwindow* window)
     mir_surface_spec_release(spec);
 }
 
+void _glfwPlatformRequestWindowAttention(_GLFWwindow* window)
+{
+}
+
 void _glfwPlatformFocusWindow(_GLFWwindow* window)
 {
     _glfwInputError(GLFW_PLATFORM_ERROR,
diff --git a/src/wl_window.c b/src/wl_window.c
index e6c554527..6a13717da 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -589,6 +589,10 @@ void _glfwPlatformShowWindow(_GLFWwindow* window)
     }
 }
 
+void _glfwPlatformRequestWindowAttention(_GLFWwindow* window)
+{
+}
+
 void _glfwPlatformHideWindow(_GLFWwindow* window)
 {
     if (!window->monitor)