diff --git a/input.c b/input.c
index 3a651653..b53c39f6 100644
--- a/input.c
+++ b/input.c
@@ -1907,7 +1907,6 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
 
 		switch (n) {
 		case 0:
-		case 10:
 			memcpy(gc, &grid_default_cell, sizeof *gc);
 			break;
 		case 1: