diff --git a/containers/Dockerfile b/containers/Dockerfile
index 4d01c7c9..cab90a9b 100644
--- a/containers/Dockerfile
+++ b/containers/Dockerfile
@@ -118,9 +118,6 @@ ENV AGENT_BROWSER_USER_AGENT="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36
 ENV AGENT_BROWSER_ARGS="--disable-blink-features=AutomationControlled,--no-first-run,--no-default-browser-check,--lang=en-US"
 ENV AGENT_BROWSER_SCREENSHOT_DIR=/workspace/.agent-browser-screenshots
 ENV AGENT_BROWSER_IDLE_TIMEOUT_MS=180000
-# Sandbox runtimes that build their own rootfs from this image (E2B and friends)
-# boot their own init and drop the image's ENV, so also ship the values as a
-# login-shell profile — agent commands run through `bash -lc`.
 RUN set -eu; \
     { \
         for var in AGENT_BROWSER_EXECUTABLE_PATH AGENT_BROWSER_USER_AGENT \