diff --git a/package-lock.json b/package-lock.json
index 197e3fd..3a6f80d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,6 @@
       "version": "2.0.1",
       "license": "Apache-2.0",
       "dependencies": {
-        "@jridgewell/resolve-uri": "^3.0.3",
         "@jridgewell/trace-mapping": "^0.2.2",
         "sourcemap-codec": "1.4.8"
       },
diff --git a/package.json b/package.json
index c831ff3..22fb87d 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,6 @@
     "typescript": "4.4.4"
   },
   "dependencies": {
-    "@jridgewell/resolve-uri": "^3.0.3",
     "@jridgewell/trace-mapping": "^0.2.2",
     "sourcemap-codec": "1.4.8"
   }
diff --git a/rollup.config.js b/rollup.config.js
index 54c7fd7..7159724 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -12,7 +12,6 @@ function configure(esm) {
           entryFileNames: '[name].umd.js',
           sourcemap: true,
           globals: {
-            '@jridgewell/resolve-uri': 'resolveURI',
             '@jridgewell/trace-mapping': 'traceMapping',
             'sourcemap-codec': 'sourcemapCodec',
           },
diff --git a/src/resolve.ts b/src/resolve.ts
deleted file mode 100644
index 8ef7db7..0000000
--- a/src/resolve.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import resolveUri from '@jridgewell/resolve-uri';
-
-export default function resolve(input: string, base: string | undefined): string {
-  // The base is always treated as a directory, if it's not empty.
-  // https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327
-  // https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401
-  if (base && !base.endsWith('/')) base += '/';
-
-  return resolveUri(input, base);
-}
diff --git a/test/unit/resolve.ts b/test/unit/resolve.ts
deleted file mode 100644
index b04992c..0000000
--- a/test/unit/resolve.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-import resolve from '../../src/resolve';
-
-describe('resolve', () => {
-  test('resolves input relative to base', () => {
-    const base = 'bar/';
-    const input = 'foo';
-
-    expect(resolve(input, base)).toBe('bar/foo');
-  });
-
-  test('treats base as a directory regardless of slash', () => {
-    const base = 'bar';
-    const input = 'foo';
-
-    expect(resolve(input, base)).toBe('bar/foo');
-  });
-});