diff --git a/packages/lucide-solid/package.json b/packages/lucide-solid/package.json
index d642fb777..06fd88a4a 100644
--- a/packages/lucide-solid/package.json
+++ b/packages/lucide-solid/package.json
@@ -57,7 +57,7 @@
   "scripts": {
     "build": "pnpm clean && pnpm copy:license && pnpm build:icons && pnpm build:bundle",
     "copy:license": "cp ../../LICENSE ./LICENSE",
-    "clean": "rm -rf dist && rm -rf stats && rm -rf ./src/icons/*.ts",
+    "clean": "rm -rf dist && rm -rf stats && rm -rf ./src/icons/*.ts ./src/icons/*.tsx",
     "build:transpile": "tsc --jsx preserve -t es2020 --rootDir src --outDir dist --noEmit false",
     "build:version": "node ./scripts/replaceVersion.mjs",
     "build:bundle": "rollup -c rollup.config.mjs",
diff --git a/tools/build-font/src/buildFont.spec.ts b/tools/build-font/src/buildFont.spec.ts
index c50393132..d5f41e501 100644
--- a/tools/build-font/src/buildFont.spec.ts
+++ b/tools/build-font/src/buildFont.spec.ts
@@ -18,6 +18,7 @@ describe('buildFont', () => {
   });
 
   it('calls svgtofont with expected settings and unicode resolver', async () => {
+    // @ts-expect-error Mocking svgtofont for testing purposes
     vi.mocked(svgtofont).mockResolvedValue(undefined);
 
     await buildFont({
@@ -35,13 +36,26 @@ describe('buildFont', () => {
 
     const [options] = vi.mocked(svgtofont).mock.calls[0];
 
+    if (options === undefined) throw new Error('svgtofont options are undefined');
+
     expect(options.src).toBe('/icons');
     expect(options.dist).toBe('/dist');
     expect(options.fontName).toBe('lucide');
     expect(options.classNamePrefix).toBe('icon');
     expect(options.addLigatures).toBe(true);
-    expect(options.getIconUnicode('camera')).toEqual([String.fromCharCode(57400), 57400]);
-    expect(() => options.getIconUnicode('missing')).toThrow('No codepoint found for icon: missing');
+    const getIconUnicode = options.getIconUnicode;
+
+    if (getIconUnicode === undefined) {
+      throw new Error('getIconUnicode is undefined');
+    }
+
+    expect(getIconUnicode('camera', '57400', 0)).toEqual([
+      String.fromCharCode(57400),
+      57400,
+    ]);
+    expect(() => getIconUnicode('missing', '57400', 0)).toThrow(
+      'No codepoint found for icon: missing',
+    );
   });
 
   it('logs errors from svgtofont and still finishes timing', async () => {