diff --git a/package-lock.json b/package-lock.json
index 9bcb195..e0528d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,6 @@
         "@mapbox/rehype-prism": "^0.8.0",
         "@rollup/plugin-commonjs": "^25.0.7",
         "@rollup/plugin-node-resolve": "^15.2.3",
-        "acorn-import-assertions": "^1.9.0",
         "c8": "^7.11.2",
         "chai": "^4.3.6",
         "concurrently": "^7.1.0",
@@ -42,7 +41,6 @@
         "remark-toc": "^8.0.1",
         "rimraf": "^3.0.2",
         "rollup": "^3.29.3",
-        "rollup-plugin-import-assert": "^3.0.1",
         "simple.css": "^0.1.3",
         "unified": "^10.1.2"
       },
@@ -588,15 +586,6 @@
         "node": ">=0.4.0"
       }
     },
-    "node_modules/acorn-import-assertions": {
-      "version": "1.9.0",
-      "resolved": "https://registry.npmjs.org/acorn-import-assertions/-/acorn-import-assertions-1.9.0.tgz",
-      "integrity": "sha512-cmMwop9x+8KFhxvKrKfPYmN6/pKTYYHBqLa0DfvVZcKMJWNyWLnaqND7dx/qn66R7ewM1UX5XMaDVP5wlVTaVA==",
-      "dev": true,
-      "peerDependencies": {
-        "acorn": "^8"
-      }
-    },
     "node_modules/acorn-jsx": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.2.tgz",
@@ -7125,19 +7114,6 @@
         "fsevents": "~2.3.2"
       }
     },
-    "node_modules/rollup-plugin-import-assert": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-import-assert/-/rollup-plugin-import-assert-3.0.1.tgz",
-      "integrity": "sha512-7WynDI8B3F/ahhOEus1sDjKCPN3sV5ciV4t717kYlJOst59wJ76e3ig05mQJZZhc8AWpo4V0QMT7mrJpWShh0A==",
-      "dev": true,
-      "dependencies": {
-        "string-to-template-literal": "^2.0.0"
-      },
-      "peerDependencies": {
-        "acorn-import-assertions": "^1.8.0",
-        "rollup": "^3.0.0"
-      }
-    },
     "node_modules/run-async": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.4.1.tgz",
@@ -7409,15 +7385,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/string-to-template-literal": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/string-to-template-literal/-/string-to-template-literal-2.0.0.tgz",
-      "integrity": "sha512-AbTUWHXMyoRlTFP9qe013dfGTFq1XbcBLUoLC7PcumbJewtUwNXCvnko5cH2gZkUFC7kD2Fwxiv4YIndkU0xHA==",
-      "dev": true,
-      "engines": {
-        "node": ">=12.0.0"
-      }
-    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -8949,12 +8916,6 @@
         }
       }
     },
-    "acorn-import-assertions": {
-      "version": "1.9.0",
-      "resolved": "https://registry.npmjs.org/acorn-import-assertions/-/acorn-import-assertions-1.9.0.tgz",
-      "integrity": "sha512-cmMwop9x+8KFhxvKrKfPYmN6/pKTYYHBqLa0DfvVZcKMJWNyWLnaqND7dx/qn66R7ewM1UX5XMaDVP5wlVTaVA==",
-      "dev": true
-    },
     "acorn-jsx": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.2.tgz",
@@ -13440,15 +13401,6 @@
         "fsevents": "~2.3.2"
       }
     },
-    "rollup-plugin-import-assert": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-import-assert/-/rollup-plugin-import-assert-3.0.1.tgz",
-      "integrity": "sha512-7WynDI8B3F/ahhOEus1sDjKCPN3sV5ciV4t717kYlJOst59wJ76e3ig05mQJZZhc8AWpo4V0QMT7mrJpWShh0A==",
-      "dev": true,
-      "requires": {
-        "string-to-template-literal": "^2.0.0"
-      }
-    },
     "run-async": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.4.1.tgz",
@@ -13635,12 +13587,6 @@
       "integrity": "sha512-8dv+1zKgTpfTkOy8XZLFyWrfxO0NV/bj/3EaQ+hBrBxGv2DwiroljPjU8NlCr+59nLnsVm9WYT7lXKwe4TC6bw==",
       "dev": true
     },
-    "string-to-template-literal": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/string-to-template-literal/-/string-to-template-literal-2.0.0.tgz",
-      "integrity": "sha512-AbTUWHXMyoRlTFP9qe013dfGTFq1XbcBLUoLC7PcumbJewtUwNXCvnko5cH2gZkUFC7kD2Fwxiv4YIndkU0xHA==",
-      "dev": true
-    },
     "string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
diff --git a/package.json b/package.json
index 5cc6394..73231ad 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,6 @@
     "@mapbox/rehype-prism": "^0.8.0",
     "@rollup/plugin-commonjs": "^25.0.7",
     "@rollup/plugin-node-resolve": "^15.2.3",
-    "acorn-import-assertions": "^1.9.0",
     "c8": "^7.11.2",
     "chai": "^4.3.6",
     "concurrently": "^7.1.0",
@@ -75,7 +74,6 @@
     "remark-toc": "^8.0.1",
     "rimraf": "^3.0.2",
     "rollup": "^3.29.3",
-    "rollup-plugin-import-assert": "^3.0.1",
     "simple.css": "^0.1.3",
     "unified": "^10.1.2"
   }