diff --git a/quartz/plugins/parsers/obsidian/blockreference.ts b/quartz/plugins/parsers/obsidian/blockreference.ts
index c81908f96..9185d845b 100644
--- a/quartz/plugins/parsers/obsidian/blockreference.ts
+++ b/quartz/plugins/parsers/obsidian/blockreference.ts
@@ -32,7 +32,7 @@ export const ObsidianBlockReference: QuartzParser<Partial<Options>> = (userOpts)
     htmlPlugins(tree, file) {
       const inlineTagTypes = new Set(["p", "li"])
       const blockTagTypes = new Set(["blockquote"])
-      if (opts.enabled) {
+      if (opts.enabled && tree !== undefined) {
         return () => {
           file.data.blocks = {}
 
diff --git a/quartz/plugins/parsers/obsidian/comments.ts b/quartz/plugins/parsers/obsidian/comments.ts
index bb5747704..d1ad42075 100644
--- a/quartz/plugins/parsers/obsidian/comments.ts
+++ b/quartz/plugins/parsers/obsidian/comments.ts
@@ -36,12 +36,7 @@ export const ObsidianComments: QuartzParser<Partial<Options>> = (userOpts) => {
     markdownPlugins(tree, file) {
       return [new RegExp(""), ""] as [RegExp, string | ReplaceFunction]
     },
-    htmlPlugins(tree, file) {
-      if (opts.enabled) {
-        return () => {
-          visit(tree, "element", (node) => {})
-        }
-      }
+    htmlPlugins() {
       return {} as Pluggable
     },
     externalResources() {
diff --git a/quartz/plugins/parsers/obsidian/youtube.ts b/quartz/plugins/parsers/obsidian/youtube.ts
index b68627e15..1de6b7989 100644
--- a/quartz/plugins/parsers/obsidian/youtube.ts
+++ b/quartz/plugins/parsers/obsidian/youtube.ts
@@ -30,8 +30,8 @@ export const ObsidianYouTube: QuartzParser<Partial<Options>> = (userOpts) => {
     markdownPlugins(_file, _tree) {
       return [new RegExp(""), ""] as [RegExp, string | ReplaceFunction]
     },
-    htmlPlugins(tree, _file) {
-      if (opts.enabled) {
+    htmlPlugins(tree) {
+      if (opts.enabled && tree !== undefined) {
         return () => {
           visit(tree, "element", (node) => {
             if (node.tagName === "img" && typeof node.properties.src === "string") {