diff --git a/src/config_libconfig.c b/src/config_libconfig.c
index 0c38b11..ada4b96 100644
--- a/src/config_libconfig.c
+++ b/src/config_libconfig.c
@@ -613,11 +613,6 @@ char *parse_config_libconfig(options_t *opt, const char *config_file, bool *shad
 		          "from your config file");
 		goto err;
 	}
-	// --xrender-sync
-	if (config_lookup_bool(&cfg, "xrender-sync", &ival) && ival) {
-		log_error("Please use xrender-sync-fence instead of xrender-sync.");
-		goto err;
-	}
 	// --xrender-sync-fence
 	lcfg_lookup_bool(&cfg, "xrender-sync-fence", &opt->xrender_sync_fence);
 
diff --git a/src/options.c b/src/options.c
index 75da35e..ccd45b6 100644
--- a/src/options.c
+++ b/src/options.c
@@ -426,7 +426,6 @@ static const struct option longopts[] = {
     {"unredir-if-possible-delay", required_argument, NULL, 309},
     {"write-pid-path", required_argument, NULL, 310},
     {"vsync-use-glfinish", no_argument, NULL, 311},
-    {"xrender-sync", no_argument, NULL, 312},
     {"xrender-sync-fence", no_argument, NULL, 313},
     {"show-all-xerrors", no_argument, NULL, 314},
     {"no-fading-destroyed-argb", no_argument, NULL, 315},
@@ -795,10 +794,6 @@ bool get_cfg(options_t *opt, int argc, char *const *argv, bool shadow_enable,
 			}
 			break;
 		P_CASEBOOL(311, vsync_use_glfinish);
-		case 312:
-			// --xrender-sync
-			log_error("Please use --xrender-sync-fence instead of --xrender-sync");
-			failed = true; break;
 		P_CASEBOOL(313, xrender_sync_fence);
 		P_CASEBOOL(315, no_fading_destroyed_argb);
 		P_CASEBOOL(316, force_win_blend);