diff --git a/src/sentry/options/defaults.py b/src/sentry/options/defaults.py
index 45fe2de8d841e3..a6a03388d9ec79 100644
--- a/src/sentry/options/defaults.py
+++ b/src/sentry/options/defaults.py
@@ -3309,27 +3309,6 @@
     flags=FLAG_PRIORITIZE_DISK | FLAG_AUTOMATOR_MODIFIABLE,
 )
 
-# Write payload sets to per-span distributed keys AND merged keys.
-# Flusher reads merged keys as before.
-register(
-    "spans.buffer.write-distributed-payloads",
-    default=False,
-    flags=FLAG_PRIORITIZE_DISK | FLAG_AUTOMATOR_MODIFIABLE,
-)
-# Switch flusher to read from distributed keys instead of merged.
-register(
-    "spans.buffer.read-distributed-payloads",
-    default=False,
-    flags=FLAG_PRIORITIZE_DISK | FLAG_AUTOMATOR_MODIFIABLE,
-)
-# Set to False to stop writing merged keys and skip set merges.
-# Disable after read-distributed-payloads is stable. Rollback: re-enable
-# this flag to resume merged writes before reverting read-distributed-payloads.
-register(
-    "spans.buffer.write-merged-payloads",
-    default=True,
-    flags=FLAG_PRIORITIZE_DISK | FLAG_AUTOMATOR_MODIFIABLE,
-)
 # List of trace_ids to enable debug logging for. Empty = debug off.
 # When set, logs detailed metrics about zunionstore set sizes, key existence, and trace structure.
 register(