diff --git a/packages/astro/src/core/ssr/rss.ts b/packages/astro/src/core/ssr/rss.ts
index 269ffbdf4..cba4b4e5d 100644
--- a/packages/astro/src/core/ssr/rss.ts
+++ b/packages/astro/src/core/ssr/rss.ts
@@ -12,12 +12,12 @@ export function validateRSS(args: GenerateRSSArgs): void {
 	if (!Array.isArray(rssData.items)) throw new Error(`[${srcFile}] rss.items should be an array of items`);
 }
 
-type GenerateRSSArgs = { site: string; rssData: RSS; srcFile: string; feedURL: string };
+type GenerateRSSArgs = { site: string; rssData: RSS; srcFile: string };
 
 /** Generate RSS 2.0 feed */
 export function generateRSS(args: GenerateRSSArgs): string {
 	validateRSS(args);
-	const { srcFile, feedURL, rssData, site } = args;
+	const { srcFile, rssData, site } = args;
 	if ((rssData as any).item) throw new Error(`[${srcFile}] rss() \`item()\` function was deprecated, and is now \`items: object[]\`.`);
 
 	let xml = `<?xml version="1.0" encoding="UTF-8"?>`;
@@ -38,7 +38,7 @@ export function generateRSS(args: GenerateRSSArgs): string {
 	// title, description, customData
 	xml += `<title><![CDATA[${rssData.title}]]></title>`;
 	xml += `<description><![CDATA[${rssData.description}]]></description>`;
-	xml += `<link>${canonicalURL(feedURL, site).href}</link>`;
+	xml += `<link>${canonicalURL(site).href}</link>`;
 	if (typeof rssData.customData === 'string') xml += rssData.customData;
 	// items
 	for (const result of rssData.items) {
@@ -106,7 +106,7 @@ export function generateRssFunction(site: string | undefined, route: RouteData):
 			}
 			result.xml = {
 				url: feedURL,
-				content: generateRSS({ rssData, site, srcFile: route.component, feedURL }),
+				content: generateRSS({ rssData, site, srcFile: route.component }),
 			};
 			results.push(result);
 		},
diff --git a/packages/astro/test/astro-sitemap-rss.test.js b/packages/astro/test/astro-sitemap-rss.test.js
index 82cb4bdc5..493c603bd 100644
--- a/packages/astro/test/astro-sitemap-rss.test.js
+++ b/packages/astro/test/astro-sitemap-rss.test.js
@@ -21,14 +21,14 @@ describe('Sitemaps', () => {
 		it('generates RSS correctly', async () => {
 			const rss = await fixture.readFile('/custom/feed.xml');
 			expect(rss).to.equal(
-				`<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title><![CDATA[MF Doomcast]]></title><description><![CDATA[The podcast about the things you find on a picnic, or at a picnic table]]></description><link>https://astro.build/custom/feed.xml</link><language>en-us</language><itunes:author>MF Doom</itunes:author><item><title><![CDATA[Rap Snitch Knishes (feat. Mr. Fantastik)]]></title><link>https://astro.build/episode/rap-snitch-knishes/</link><guid>https://astro.build/episode/rap-snitch-knishes/</guid><description><![CDATA[Complex named this song the “22nd funniest rap song of all time.”]]></description><pubDate>Tue, 16 Nov 2004 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>172</itunes:duration><itunes:explicit>true</itunes:explicit></item><item><title><![CDATA[Fazers]]></title><link>https://astro.build/episode/fazers/</link><guid>https://astro.build/episode/fazers/</guid><description><![CDATA[Rhapsody ranked Take Me to Your Leader 17th on its list “Hip-Hop’s Best Albums of the Decade”]]></description><pubDate>Thu, 03 Jul 2003 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>197</itunes:duration><itunes:explicit>true</itunes:explicit></item><item><title><![CDATA[Rhymes Like Dimes (feat. Cucumber Slice)]]></title><link>https://astro.build/episode/rhymes-like-dimes/</link><guid>https://astro.build/episode/rhymes-like-dimes/</guid><description><![CDATA[Operation: Doomsday has been heralded as an underground classic that established MF Doom's rank within the underground hip-hop scene during the early to mid-2000s.
+				`<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title><![CDATA[MF Doomcast]]></title><description><![CDATA[The podcast about the things you find on a picnic, or at a picnic table]]></description><link>https://astro.build/</link><language>en-us</language><itunes:author>MF Doom</itunes:author><item><title><![CDATA[Rap Snitch Knishes (feat. Mr. Fantastik)]]></title><link>https://astro.build/episode/rap-snitch-knishes/</link><guid>https://astro.build/episode/rap-snitch-knishes/</guid><description><![CDATA[Complex named this song the “22nd funniest rap song of all time.”]]></description><pubDate>Tue, 16 Nov 2004 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>172</itunes:duration><itunes:explicit>true</itunes:explicit></item><item><title><![CDATA[Fazers]]></title><link>https://astro.build/episode/fazers/</link><guid>https://astro.build/episode/fazers/</guid><description><![CDATA[Rhapsody ranked Take Me to Your Leader 17th on its list “Hip-Hop’s Best Albums of the Decade”]]></description><pubDate>Thu, 03 Jul 2003 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>197</itunes:duration><itunes:explicit>true</itunes:explicit></item><item><title><![CDATA[Rhymes Like Dimes (feat. Cucumber Slice)]]></title><link>https://astro.build/episode/rhymes-like-dimes/</link><guid>https://astro.build/episode/rhymes-like-dimes/</guid><description><![CDATA[Operation: Doomsday has been heralded as an underground classic that established MF Doom's rank within the underground hip-hop scene during the early to mid-2000s.
 ]]></description><pubDate>Tue, 19 Oct 1999 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>259</itunes:duration><itunes:explicit>true</itunes:explicit></item></channel></rss>`
 			);
 		});
 		it('generates RSS with pregenerated URLs correctly', async () => {
 			const rss = await fixture.readFile('/custom/feed-pregenerated-urls.xml');
 			expect(rss).to.equal(
-				`<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title><![CDATA[MF Doomcast]]></title><description><![CDATA[The podcast about the things you find on a picnic, or at a picnic table]]></description><link>https://astro.build/custom/feed-pregenerated-urls.xml</link><language>en-us</language><itunes:author>MF Doom</itunes:author><item><title><![CDATA[Rap Snitch Knishes (feat. Mr. Fantastik)]]></title><link>https://example.com/episode/rap-snitch-knishes/</link><guid>https://example.com/episode/rap-snitch-knishes/</guid><description><![CDATA[Complex named this song the “22nd funniest rap song of all time.”]]></description><pubDate>Tue, 16 Nov 2004 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>172</itunes:duration><itunes:explicit>true</itunes:explicit></item><item><title><![CDATA[Fazers]]></title><link>https://example.com/episode/fazers/</link><guid>https://example.com/episode/fazers/</guid><description><![CDATA[Rhapsody ranked Take Me to Your Leader 17th on its list “Hip-Hop’s Best Albums of the Decade”]]></description><pubDate>Thu, 03 Jul 2003 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>197</itunes:duration><itunes:explicit>true</itunes:explicit></item><item><title><![CDATA[Rhymes Like Dimes (feat. Cucumber Slice)]]></title><link>https://example.com/episode/rhymes-like-dimes/</link><guid>https://example.com/episode/rhymes-like-dimes/</guid><description><![CDATA[Operation: Doomsday has been heralded as an underground classic that established MF Doom's rank within the underground hip-hop scene during the early to mid-2000s.
+				`<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title><![CDATA[MF Doomcast]]></title><description><![CDATA[The podcast about the things you find on a picnic, or at a picnic table]]></description><link>https://astro.build/</link><language>en-us</language><itunes:author>MF Doom</itunes:author><item><title><![CDATA[Rap Snitch Knishes (feat. Mr. Fantastik)]]></title><link>https://example.com/episode/rap-snitch-knishes/</link><guid>https://example.com/episode/rap-snitch-knishes/</guid><description><![CDATA[Complex named this song the “22nd funniest rap song of all time.”]]></description><pubDate>Tue, 16 Nov 2004 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>172</itunes:duration><itunes:explicit>true</itunes:explicit></item><item><title><![CDATA[Fazers]]></title><link>https://example.com/episode/fazers/</link><guid>https://example.com/episode/fazers/</guid><description><![CDATA[Rhapsody ranked Take Me to Your Leader 17th on its list “Hip-Hop’s Best Albums of the Decade”]]></description><pubDate>Thu, 03 Jul 2003 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>197</itunes:duration><itunes:explicit>true</itunes:explicit></item><item><title><![CDATA[Rhymes Like Dimes (feat. Cucumber Slice)]]></title><link>https://example.com/episode/rhymes-like-dimes/</link><guid>https://example.com/episode/rhymes-like-dimes/</guid><description><![CDATA[Operation: Doomsday has been heralded as an underground classic that established MF Doom's rank within the underground hip-hop scene during the early to mid-2000s.
 ]]></description><pubDate>Tue, 19 Oct 1999 00:00:00 GMT</pubDate><itunes:episodeType>music</itunes:episodeType><itunes:duration>259</itunes:duration><itunes:explicit>true</itunes:explicit></item></channel></rss>`
 			);
 		});