diff --git a/include/data.h b/include/data.h
index 8f2c197d..b3cac928 100644
--- a/include/data.h
+++ b/include/data.h
@@ -460,7 +460,6 @@ struct Assignment {
      *
      * A_COMMAND = run the specified command for the matching window
      * A_TO_WORKSPACE = assign the matching window to the specified workspace
-     * A_TO_OUTPUT = assign the matching window to the specified output
      *
      * While the type is a bitmask, only one value can be set at a time. It is
      * a bitmask to allow filtering for multiple types, for example in the
@@ -470,18 +469,16 @@ struct Assignment {
     enum {
         A_ANY = 0,
         A_COMMAND = (1 << 0),
-        A_TO_WORKSPACE = (1 << 1),
-        A_TO_OUTPUT = (1 << 2)
+        A_TO_WORKSPACE = (1 << 1)
     } type;
 
     /** the criteria to check if a window matches */
     Match match;
 
-    /** destination workspace/output/command, depending on the type */
+    /** destination workspace/command, depending on the type */
     union {
         char *command;
         char *workspace;
-        char *output;
     } dest;
 
     TAILQ_ENTRY(Assignment) assignments;
diff --git a/src/config.c b/src/config.c
index b41f0e1b..6f906b8c 100644
--- a/src/config.c
+++ b/src/config.c
@@ -158,8 +158,6 @@ void load_configuration(xcb_connection_t *conn, const char *override_configpath,
             assign = TAILQ_FIRST(&assignments);
             if (assign->type == A_TO_WORKSPACE)
                 FREE(assign->dest.workspace);
-            else if (assign->type == A_TO_OUTPUT)
-                FREE(assign->dest.output);
             else if (assign->type == A_COMMAND)
                 FREE(assign->dest.command);
             match_free(&(assign->match));
diff --git a/src/manage.c b/src/manage.c
index 7c464b43..077d5720 100644
--- a/src/manage.c
+++ b/src/manage.c
@@ -253,23 +253,20 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
     /* See if any container swallows this new window */
     nc = con_for_window(search_at, cwindow, &match);
     if (nc == NULL) {
-        /* If not, check if it is assigned to a specific workspace / output */
-        if ((assignment = assignment_for(cwindow, A_TO_WORKSPACE | A_TO_OUTPUT))) {
+        /* If not, check if it is assigned to a specific workspace */
+        if ((assignment = assignment_for(cwindow, A_TO_WORKSPACE))) {
             DLOG("Assignment matches (%p)\n", match);
-            if (assignment->type == A_TO_WORKSPACE) {
-                Con *assigned_ws = workspace_get(assignment->dest.workspace, NULL);
-                nc = con_descend_tiling_focused(assigned_ws);
-                DLOG("focused on ws %s: %p / %s\n", assigned_ws->name, nc, nc->name);
-                if (nc->type == CT_WORKSPACE)
-                    nc = tree_open_con(nc, cwindow);
-                else
-                    nc = tree_open_con(nc->parent, cwindow);
+            Con *assigned_ws = workspace_get(assignment->dest.workspace, NULL);
+            nc = con_descend_tiling_focused(assigned_ws);
+            DLOG("focused on ws %s: %p / %s\n", assigned_ws->name, nc, nc->name);
+            if (nc->type == CT_WORKSPACE)
+                nc = tree_open_con(nc, cwindow);
+            else
+                nc = tree_open_con(nc->parent, cwindow);
 
-                /* set the urgency hint on the window if the workspace is not visible */
-                if (!workspace_is_visible(assigned_ws))
-                    urgency_hint = true;
-            }
-            /* TODO: handle assignments with type == A_TO_OUTPUT */
+            /* set the urgency hint on the window if the workspace is not visible */
+            if (!workspace_is_visible(assigned_ws))
+                urgency_hint = true;
         } else if (startup_ws) {
             /* If it’s not assigned, but was started on a specific workspace,
              * we want to open it there */