diff --git a/packages/jsdoc-test-matchers/index.js b/packages/jsdoc-test-matchers/index.js
index 9d16a86c..c859ed60 100644
--- a/packages/jsdoc-test-matchers/index.js
+++ b/packages/jsdoc-test-matchers/index.js
@@ -14,28 +14,6 @@
   limitations under the License.
 */
 const _ = require('lodash');
-const { format } = require('prettier');
-
-// Prettier lazy-loads its parsers, so preload the HTML parser while we know we're not mocked.
-require('prettier/parser-html');
-
-function stripWhitespace(str) {
-  // Remove leading whitespace.
-  str = str.replace(/^[\s]+/gm, '');
-  // Remove empty lines.
-  str = str.replace(/^\n$/gm, '');
-
-  return str;
-}
-
-function normalizeHtml(str) {
-  str = format(str, {
-    parser: 'html',
-    tabWidth: 2,
-  });
-
-  return stripWhitespace(str);
-}
 
 function isInstanceOf(actual, expected) {
   let actualName;
@@ -140,12 +118,6 @@ const matcherFuncs = {
   toBeWholeNumber: (actual) => {
     return Number.isInteger(actual);
   },
-  toContainHtml: (actual, expected) => {
-    const actualDiffable = normalizeHtml(actual);
-    const expectedDiffable = normalizeHtml(expected);
-
-    return actualDiffable.includes(expectedDiffable);
-  },
   toEndWith: (actual, expected) => {
     return _.isString(actual) && _.isString(expected) && actual.endsWith(expected);
   },
diff --git a/packages/jsdoc-test-matchers/package-lock.json b/packages/jsdoc-test-matchers/package-lock.json
index 4fd425f3..604d4c01 100644
--- a/packages/jsdoc-test-matchers/package-lock.json
+++ b/packages/jsdoc-test-matchers/package-lock.json
@@ -9,8 +9,7 @@
       "version": "0.2.3",
       "license": "Apache-2.0",
       "dependencies": {
-        "lodash": "^4.17.21",
-        "prettier": "^3.0.3"
+        "lodash": "^4.17.21"
       },
       "engines": {
         "node": ">=v18.12.0"
@@ -20,20 +19,6 @@
       "version": "4.17.21",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
       "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
-    },
-    "node_modules/prettier": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.0.3.tgz",
-      "integrity": "sha512-L/4pUDMxcNa8R/EthV08Zt42WBO4h1rarVtK0K+QJG0X187OLo7l699jWw0GKuwzkPQ//jMFA/8Xm6Fh3J/DAg==",
-      "bin": {
-        "prettier": "bin/prettier.cjs"
-      },
-      "engines": {
-        "node": ">=14"
-      },
-      "funding": {
-        "url": "https://github.com/prettier/prettier?sponsor=1"
-      }
     }
   },
   "dependencies": {
@@ -41,11 +26,6 @@
       "version": "4.17.21",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
       "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
-    },
-    "prettier": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.0.3.tgz",
-      "integrity": "sha512-L/4pUDMxcNa8R/EthV08Zt42WBO4h1rarVtK0K+QJG0X187OLo7l699jWw0GKuwzkPQ//jMFA/8Xm6Fh3J/DAg=="
     }
   }
 }
diff --git a/packages/jsdoc-test-matchers/package.json b/packages/jsdoc-test-matchers/package.json
index 08962031..60375542 100644
--- a/packages/jsdoc-test-matchers/package.json
+++ b/packages/jsdoc-test-matchers/package.json
@@ -26,8 +26,7 @@
   },
   "type": "commonjs",
   "dependencies": {
-    "lodash": "^4.17.21",
-    "prettier": "^3.0.3"
+    "lodash": "^4.17.21"
   },
   "engines": {
     "node": ">=v18.12.0"