diff --git a/package-lock.json b/package-lock.json
index d249c643..78671f8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,6 @@
       ],
       "devDependencies": {
         "@vitest/ui": "^0.25.7",
-        "acorn-static-class-features": "^1.0.0",
         "c8": "^7.12.0",
         "canvas": "^2.11.0",
         "dependency-tree": "^9.0.0",
@@ -2650,33 +2649,6 @@
         "xtend": "^4.0.2"
       }
     },
-    "node_modules/acorn-private-class-elements": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/acorn-private-class-elements/-/acorn-private-class-elements-1.0.0.tgz",
-      "integrity": "sha512-zYNcZtxKgVCg1brS39BEou86mIao1EV7eeREG+6WMwKbuYTeivRRs6S2XdWnboRde6G9wKh2w+WBydEyJsJ6mg==",
-      "dev": true,
-      "engines": {
-        "node": ">=4.8.2"
-      },
-      "peerDependencies": {
-        "acorn": "^6.1.0 || ^7 || ^8"
-      }
-    },
-    "node_modules/acorn-static-class-features": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/acorn-static-class-features/-/acorn-static-class-features-1.0.0.tgz",
-      "integrity": "sha512-XZJECjbmMOKvMHiNzbiPXuXpLAJfN3dAKtfIYbk1eHiWdsutlek+gS7ND4B8yJ3oqvHo1NxfafnezVmq7NXK0A==",
-      "dev": true,
-      "dependencies": {
-        "acorn-private-class-elements": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=4.8.2"
-      },
-      "peerDependencies": {
-        "acorn": "^6.1.0 || ^7 || ^8"
-      }
-    },
     "node_modules/acorn-walk": {
       "version": "7.2.0",
       "dev": true,
@@ -15290,22 +15262,6 @@
         "xtend": "^4.0.2"
       }
     },
-    "acorn-private-class-elements": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/acorn-private-class-elements/-/acorn-private-class-elements-1.0.0.tgz",
-      "integrity": "sha512-zYNcZtxKgVCg1brS39BEou86mIao1EV7eeREG+6WMwKbuYTeivRRs6S2XdWnboRde6G9wKh2w+WBydEyJsJ6mg==",
-      "dev": true,
-      "requires": {}
-    },
-    "acorn-static-class-features": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/acorn-static-class-features/-/acorn-static-class-features-1.0.0.tgz",
-      "integrity": "sha512-XZJECjbmMOKvMHiNzbiPXuXpLAJfN3dAKtfIYbk1eHiWdsutlek+gS7ND4B8yJ3oqvHo1NxfafnezVmq7NXK0A==",
-      "dev": true,
-      "requires": {
-        "acorn-private-class-elements": "^1.0.0"
-      }
-    },
     "acorn-walk": {
       "version": "7.2.0",
       "dev": true
diff --git a/package.json b/package.json
index 6cc2f734..877ccf56 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,6 @@
   "homepage": "https://strudel.tidalcycles.org",
   "devDependencies": {
     "@vitest/ui": "^0.25.7",
-    "acorn-static-class-features": "^1.0.0",
     "c8": "^7.12.0",
     "canvas": "^2.11.0",
     "dependency-tree": "^9.0.0",