diff --git a/Mac/MainWindow/Detail/DetailWebViewController.swift b/Mac/MainWindow/Detail/DetailWebViewController.swift
index 55e3ed89e..b62b41dac 100644
--- a/Mac/MainWindow/Detail/DetailWebViewController.swift
+++ b/Mac/MainWindow/Detail/DetailWebViewController.swift
@@ -155,16 +155,12 @@ final class DetailWebViewController: NSViewController {
 	
 	@objc func userDefaultsDidChange(_ note: Notification) {
 		if articleTextSize != AppDefaults.shared.articleTextSize {
-			articleTextSize = AppDefaults.shared.articleTextSize
-			webView.evaluateJavaScript("updateTextSize(\"\(articleTextSize.cssClass)\");")
+			reloadHTMLMaintainingScrollPosition()
 		}
 	}
 	
 	@objc func currentArticleThemeDidChangeNotification(_ note: Notification) {
-		fetchScrollInfo() { scrollInfo in
-			self.windowScrollY = scrollInfo?.offsetY
-			self.reloadHTML()
-		}
+		reloadHTMLMaintainingScrollPosition()
 	}
 	
 	// MARK: Media Functions
@@ -293,6 +289,13 @@ private extension DetailWebViewController {
 			webView?.evaluateJavaScript("reloadArticleImage(\"\(imageSrc)\")")
 		}
 	}
+	
+	func reloadHTMLMaintainingScrollPosition() {
+		fetchScrollInfo() { scrollInfo in
+			self.windowScrollY = scrollInfo?.offsetY
+			self.reloadHTML()
+		}
+	}
 
 	func reloadHTML() {
 		delegate?.mouseDidExit(self)
diff --git a/Shared/Article Rendering/main.js b/Shared/Article Rendering/main.js
index e24c86fc9..13f90b638 100644
--- a/Shared/Article Rendering/main.js	
+++ b/Shared/Article Rendering/main.js	
@@ -132,12 +132,6 @@ function stopMediaPlayback() {
 	});
 }
 
-function updateTextSize(cssClass) {
-	var bodyElement = document.getElementById("bodyContainer");
-	bodyElement.classList.remove("smallText", "mediumText", "largeText", "xLargeText", "xxLargeText");
-	bodyElement.classList.add(cssClass);
-}
-
 function error() {
 	document.body.innerHTML = "error";
 }