diff --git a/src/components/manifest/manifestConfig.js b/src/components/manifest/manifestConfig.js
index d657378..c8a790e 100644
--- a/src/components/manifest/manifestConfig.js
+++ b/src/components/manifest/manifestConfig.js
@@ -173,20 +173,6 @@ export async function buildFilesForUpload(attachments = [], { onlyNew = false }
         filePayload.thumbavif = thumbBase64;
       }
 
-      const meta = {};
-      if (attachment.thumbnail) {
-        meta.thumbnail = attachment.thumbnail;
-      }
-      if (attachment.text) {
-        meta.text = attachment.text;
-      }
-      if (attachment.parentPdfId) {
-        meta.parentPdfId = String(attachment.parentPdfId);
-      }
-      if (Object.keys(meta).length > 0) {
-        filePayload.meta = meta;
-      }
-
       files.push(filePayload);
     } catch (err) {
       console.error('Fehler beim Konvertieren von Datei zu Base64:', err);
@@ -283,24 +269,7 @@ export async function restoreAttachmentsFromApi(apiFiles = [], existingAttachmen
         }
       }
 
-      // 2. Check meta.thumbnail if thumbavif wasn't available
-      if (!thumbnail && apiFile.meta?.thumbnail) {
-        try {
-          const metaThumb = apiFile.meta.thumbnail;
-          if (typeof metaThumb === 'string') {
-            if (metaThumb.startsWith('data:') || metaThumb.startsWith('blob:')) {
-              thumbnail = metaThumb;
-            } else {
-              const thumbBlob = base64ToBlob(metaThumb, 'image/avif');
-              thumbnail = URL.createObjectURL(thumbBlob);
-            }
-          }
-        } catch (metaThumbErr) {
-          console.error('Fehler beim Dekodieren von meta.thumbnail:', metaThumbErr);
-        }
-      }
-
-      // 3. Fallback to existing matching attachment thumbnail
+      // 2. Fallback to existing matching attachment thumbnail
       const matchingExisting =
         existingMap.get(String(apiFile.id)) ||
         existingMap.get(String(apiFile.fileId)) ||
@@ -317,8 +286,8 @@ export async function restoreAttachmentsFromApi(apiFiles = [], existingAttachmen
           ? matchingExisting.file
           : new File([''], placeholderName, { type: placeholderType });
 
-      const text = apiFile.meta?.text || matchingExisting?.text || null;
-      const parentPdfId = apiFile.meta?.parentPdfId || matchingExisting?.parentPdfId || null;
+      const text = matchingExisting?.text || null;
+      const parentPdfId = matchingExisting?.parentPdfId || null;
 
       attachments.push({
         id: apiFile.id,
@@ -370,19 +339,10 @@ export function collectFilesForUpload(attachments = [], { onlyNew = false } = {}
       }
     }
 
-    const meta = {};
-    if (attachment.parentPdfId) {
-      meta.parentPdfId = String(attachment.parentPdfId);
-    }
-    if (attachment.text) {
-      meta.text = String(attachment.text);
-    }
-
     files.push({
       file: fileToUpload,
       name: attachment.name || fileToUpload.name,
       mimetype: attachment.type || fileToUpload.type,
-      meta: Object.keys(meta).length > 0 ? meta : undefined,
     });
   }
   return files;
@@ -426,14 +386,6 @@ export async function buildManifestBody(
     const isUpdate = !requireAtLeastOne;
     const filesToUpload = collectFilesForUpload(form.attachments, { onlyNew: isUpdate });
     if (filesToUpload.length > 0) {
-      const filesMeta = filesToUpload
-        .filter((f) => f.meta)
-        .map((f) => ({ name: f.name, meta: f.meta }));
-
-      if (filesMeta.length > 0) {
-        body.filesMeta = filesMeta;
-      }
-
       const formData = new FormData();
       formData.append('data', JSON.stringify(body));
       for (const item of filesToUpload) {
diff --git a/src/pages/lieferung/neu.jsx b/src/pages/lieferung/neu.jsx
index bf9a271..08eedef 100644
--- a/src/pages/lieferung/neu.jsx
+++ b/src/pages/lieferung/neu.jsx
@@ -569,10 +569,13 @@ class LieferungNeuPage extends PureComponent {
 
   handleAttachmentClick(attachment) {
     if (!attachment) return;
+    const isPdf =
+      attachment.type === 'application/pdf' ||
+      attachment.name?.toLowerCase().endsWith('.pdf');
     const isText =
-      attachment.type?.startsWith('text/') ||
-      attachment.name?.toLowerCase().endsWith('.txt') ||
-      Boolean(attachment.text);
+      !isPdf &&
+      (attachment.type?.startsWith('text/') ||
+        attachment.name?.toLowerCase().endsWith('.txt'));
 
     if (isText) {
       this.setState({