diff --git a/dangerzone/isolation_provider/container.py b/dangerzone/isolation_provider/container.py
index 98f47ffe6..269359f16 100644
--- a/dangerzone/isolation_provider/container.py
+++ b/dangerzone/isolation_provider/container.py
@@ -217,8 +217,6 @@ def pixels_to_pdf(
             "-v",
             f"{tempdir}:/safezone:Z",
             "-e",
-            "TESSDATA_PREFIX=/usr/share/tessdata",
-            "-e",
             f"OCR={0 if ocr_lang is None else 1}",
             "-e",
             f"OCR_LANGUAGE={ocr_lang}",