diff --git a/index.js b/index.js
index 49bef78..379fde2 100644
--- a/index.js
+++ b/index.js
@@ -147,12 +147,9 @@ class Ora {
 			return this;
 		}
 
-		// Legacy argument
-		// TODO: Deprecate sometime in the future
+		// TODO: Remove in the next major version
 		if (typeof options === 'string') {
-			options = {
-				symbol: options
-			};
+			throw new TypeError('This argument now accepts an options object, not a string');
 		}
 
 		options = options || {};
diff --git a/test.js b/test.js
index 0d305d2..9b2881d 100644
--- a/test.js
+++ b/test.js
@@ -106,14 +106,6 @@ test('.info()', macro, spinner => {
 	spinner.info();
 }, /(ℹ|i) foo/);
 
-test('.stopAndPersist()', macro, spinner => {
-	spinner.stopAndPersist('@');
-}, /@ foo/);
-
-test('.stopAndPersist() - with no argument', macro, spinner => {
-	spinner.stopAndPersist(' ');
-}, /\s foo/);
-
 test('.stopAndPersist() - with new text', macro, spinner => {
 	spinner.stopAndPersist({text: 'all done'});
 }, /\s all done/);