diff --git a/test/paren-correctness.test.js b/test/paren-correctness.test.js
deleted file mode 100644
index 907f3a7..0000000
--- a/test/paren-correctness.test.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// @ts-check
-import { expect, test } from 'vitest';
-import { acornParse } from './common.js';
-import { print } from '../src/index.js';
-import ts from '../src/languages/ts/index.js';
-
-/** @param {string} input */
-function printed(input) {
-	const { ast } = acornParse(input);
-	return print(ast, ts()).code;
-}
-
-// nested same-sign unary operators must not be glued into `--`/`++`, which would
-// change the meaning (`-(-a)` -> `--a` is the decrement operator) or be invalid.
-// these transform the input, so we also assert the output re-parses cleanly
-test.each([
-	['-(-a);', '- -a;'],
-	['+(+a);', '+ +a;'],
-	['-(--a);', '- --a;']
-])('prints %j as %j without gluing operators', (input, expected) => {
-	const code = printed(input);
-	expect(code).toBe(expected);
-	expect(() => acornParse(code)).not.toThrow();
-});
-
-// each of these must round-trip unchanged: dropping or adding parentheses here
-// would change meaning or produce invalid code
-test.each([
-	// a parenthesized optional chain is a separate chain
-	'(a?.b)();',
-	'(a?.b).c;',
-	'new (a?.b)();',
-	'delete (a?.b).c;',
-	'(a?.b)`x`;',
-	'(a?.())();',
-	// `await` is not a valid left operand of `**`
-	'async () => (await a) ** b;',
-	// `?:` is right-associative, so a conditional in the test position keeps its
-	// parens, else `(a ? b : c) ? d : e` re-associates to `a ? b : (c ? d : e)`
-	'(a ? b : c) ? d : e;',
-	'(a ? b : c) ? d : e ? f : g;',
-	// genuine optional chains must not gain parentheses
-	'a?.b.c;',
-	'a?.b().c;',
-	'a?.b?.c;',
-	// a conditional in the alternate position needs no parentheses
-	'a ? b : c ? d : e;'
-])('%j round-trips with correct parentheses', (input) => {
-	expect(printed(input)).toBe(input);
-});
diff --git a/test/samples/parenthesized-expression/expected.js b/test/samples/parenthesized-expression/expected.js
index 7788656..dd0bb3d 100644
--- a/test/samples/parenthesized-expression/expected.js
+++ b/test/samples/parenthesized-expression/expected.js
@@ -8,4 +8,7 @@ a + b;
 ({}).x;
 (function () {})();
 x = {};
-[a] = b;
\ No newline at end of file
+[a] = b;
+(a ? b : c) ? d : e;
+(a ? b : c) ? d : e ? f : g;
+a ? b : c ? d : e;
\ No newline at end of file
diff --git a/test/samples/parenthesized-expression/expected.js.map b/test/samples/parenthesized-expression/expected.js.map
index 9ce6c6d..deb5f7c 100644
--- a/test/samples/parenthesized-expression/expected.js.map
+++ b/test/samples/parenthesized-expression/expected.js.map
@@ -5,7 +5,7 @@
     "input.js"
   ],
   "sourcesContent": [
-    "a + b;\n({} + []);\n(class {});\n(class C {});\n({} ? a : b);\n({} && a);\n(function () {})`x`;\n({}).x;\n(function () {})();\nx = {};\n[a] = b;\n"
+    "a + b;\n({} + []);\n(class {});\n(class C {});\n({} ? a : b);\n({} && a);\n(function () {})`x`;\n({}).x;\n(function () {})();\nx = {};\n[a] = b;\n(a ? b : c) ? d : e;\n(a ? b : c) ? d : e ? f : g;\na ? b : c ? d : e;\n"
   ],
-  "mappings": "AAAA,CAAC,GAAG,CAAC;;CAEJ,MAAM,AAAA,CAAC,AAAA,CAAC;CACR,MAAM,AAAA,CAAC,CAAC,CAAC,AAAA,CAAC;MACL,CAAC,GAAG,CAAC;OACJ,CAAC;CACP,QAAQ,IAAI,CAAC,AAAA,CAAC;KACV,CAAC;CACL,QAAQ,IAAI,CAAC,AAAA,CAAC;AACf,CAAC;CACA,CAAC,IAAI,CAAC"
+  "mappings": "AAAA,CAAC,GAAG,CAAC;;CAEJ,MAAM,AAAA,CAAC,AAAA,CAAC;CACR,MAAM,AAAA,CAAC,CAAC,CAAC,AAAA,CAAC;MACL,CAAC,GAAG,CAAC;OACJ,CAAC;CACP,QAAQ,IAAI,CAAC,AAAA,CAAC;KACV,CAAC;CACL,QAAQ,IAAI,CAAC,AAAA,CAAC;AACf,CAAC;CACA,CAAC,IAAI,CAAC;CACN,CAAC,GAAG,CAAC,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC;CAClB,CAAC,GAAG,CAAC,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC;AAC3B,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC"
 }
\ No newline at end of file
diff --git a/test/samples/parenthesized-expression/input.js b/test/samples/parenthesized-expression/input.js
index 6cc8b99..8336a14 100644
--- a/test/samples/parenthesized-expression/input.js
+++ b/test/samples/parenthesized-expression/input.js
@@ -9,3 +9,6 @@ a + b;
 (function () {})();
 x = {};
 [a] = b;
+(a ? b : c) ? d : e;
+(a ? b : c) ? d : e ? f : g;
+a ? b : c ? d : e;