diff --git a/src/glx_context.c b/src/glx_context.c
index 923fcd777..06970f091 100644
--- a/src/glx_context.c
+++ b/src/glx_context.c
@@ -641,8 +641,6 @@ GLFWbool _glfwCreateContextGLX(_GLFWwindow* window,
         return GLFW_FALSE;
     }
 
-    window->context.glx.fbconfig = native;
-
     window->context.makeCurrent = makeContextCurrentGLX;
     window->context.swapBuffers = swapBuffersGLX;
     window->context.swapInterval = swapIntervalGLX;