diff --git a/package.json b/package.json
index ec944602d..8406222c5 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "dependencies": {
     "@angular/compiler": "15.2.2",
     "@babel/code-frame": "7.18.6",
-    "@babel/parser": "7.21.2",
+    "@babel/parser": "7.21.3",
     "@babel/types": "7.21.3",
     "@glimmer/syntax": "0.84.2",
     "@iarna/toml": "2.2.5",
diff --git a/src/language-js/parse/postprocess/index.js b/src/language-js/parse/postprocess/index.js
index 3370789b8..3d6757fe9 100644
--- a/src/language-js/parse/postprocess/index.js
+++ b/src/language-js/parse/postprocess/index.js
@@ -105,15 +105,7 @@ function postprocess(ast, options) {
           }
         }
         break;
-      case "DeclareInterface":
-      case "InterfaceDeclaration":
       case "TSInterfaceDeclaration":
-        if (isNonEmptyArray(node.mixins)) {
-          throwSyntaxError(
-            node.mixins[0],
-            "Interface declaration cannot have 'mixins' clause."
-          );
-        }
         if (isNonEmptyArray(node.implements)) {
           throwSyntaxError(
             node.implements[0],
diff --git a/tests/format/misc/errors/flow/interface/__snapshots__/jsfmt.spec.js.snap b/tests/format/misc/errors/flow/interface/__snapshots__/jsfmt.spec.js.snap
index 0330abc95..3419dcf57 100644
--- a/tests/format/misc/errors/flow/interface/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/format/misc/errors/flow/interface/__snapshots__/jsfmt.spec.js.snap
@@ -13,9 +13,9 @@ exports[`snippet: #0 [flow] format 1`] = `
 `;
 
 exports[`snippet: #1 [babel-flow] format 1`] = `
-"Interface declaration cannot have 'mixins' clause. (1:20)
+"Unexpected token, expected "{" (1:13)
 > 1 | interface A mixins B {}
-    |                    ^"
+    |             ^"
 `;
 
 exports[`snippet: #1 [flow] format 1`] = `
@@ -25,9 +25,9 @@ exports[`snippet: #1 [flow] format 1`] = `
 `;
 
 exports[`snippet: #2 [babel-flow] format 1`] = `
-"Interface declaration cannot have 'implements' clause. (1:24)
+"Unexpected token, expected "{" (1:13)
 > 1 | interface A implements B {}
-    |                        ^"
+    |             ^"
 `;
 
 exports[`snippet: #2 [flow] format 1`] = `
@@ -37,9 +37,9 @@ exports[`snippet: #2 [flow] format 1`] = `
 `;
 
 exports[`snippet: #3 [babel-flow] format 1`] = `
-"Interface declaration cannot have 'mixins' clause. (1:28)
+"Unexpected token, expected "{" (1:21)
 > 1 | declare interface A mixins B {}
-    |                            ^"
+    |                     ^"
 `;
 
 exports[`snippet: #3 [flow] format 1`] = `
@@ -49,9 +49,9 @@ exports[`snippet: #3 [flow] format 1`] = `
 `;
 
 exports[`snippet: #4 [babel-flow] format 1`] = `
-"Interface declaration cannot have 'implements' clause. (1:32)
+"Unexpected token, expected "{" (1:21)
 > 1 | declare interface A implements B {}
-    |                                ^"
+    |                     ^"
 `;
 
 exports[`snippet: #4 [flow] format 1`] = `
diff --git a/yarn.lock b/yarn.lock
index 353beaa68..a159b8253 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -229,12 +229,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/parser@npm:7.21.2, @babel/parser@npm:^7.1.0, @babel/parser@npm:^7.14.7, @babel/parser@npm:^7.18.10, @babel/parser@npm:^7.18.11":
-  version: 7.21.2
-  resolution: "@babel/parser@npm:7.21.2"
+"@babel/parser@npm:7.21.3, @babel/parser@npm:^7.1.0, @babel/parser@npm:^7.14.7, @babel/parser@npm:^7.18.10, @babel/parser@npm:^7.18.11":
+  version: 7.21.3
+  resolution: "@babel/parser@npm:7.21.3"
   bin:
     parser: ./bin/babel-parser.js
-  checksum: e2b89de2c63d4cdd2cafeaea34f389bba729727eec7a8728f736bc472a59396059e3e9fe322c9bed8fd126d201fb609712949dc8783f4cae4806acd9a73da6ff
+  checksum: a71e6456a1260c2a943736b56cc0acdf5f2a53c6c79e545f56618967e51f9b710d1d3359264e7c979313a7153741b1d95ad8860834cc2ab4ce4f428b13cc07be
   languageName: node
   linkType: hard
 
@@ -6714,7 +6714,7 @@ __metadata:
     "@angular/compiler": 15.2.2
     "@babel/code-frame": 7.18.6
     "@babel/generator": 7.21.3
-    "@babel/parser": 7.21.2
+    "@babel/parser": 7.21.3
     "@babel/types": 7.21.3
     "@esbuild-plugins/node-modules-polyfill": 0.2.2
     "@glimmer/reference": 0.84.2