diff --git a/src/persist-client/src/fetch.rs b/src/persist-client/src/fetch.rs
index 069a9ae2390de..bb7d35fb64f0a 100644
--- a/src/persist-client/src/fetch.rs
+++ b/src/persist-client/src/fetch.rs
@@ -93,7 +93,7 @@ pub(crate) const OPTIMIZE_IGNORED_DATA_FETCH: Config<bool> = Config::new(
 
 pub(crate) const VALIDATE_PART_BOUNDS_ON_READ: Config<bool> = Config::new(
     "persist_validate_part_bounds_on_read",
-    true,
+    false,
     "Validate the part lower <= the batch lower and the part upper <= batch upper,\
     for the batch containing that part",
 );
diff --git a/src/persist-client/src/write.rs b/src/persist-client/src/write.rs
index 8a4e1561c9a77..e9e3e1816d5a1 100644
--- a/src/persist-client/src/write.rs
+++ b/src/persist-client/src/write.rs
@@ -60,7 +60,7 @@ pub(crate) const COMBINE_INLINE_WRITES: Config<bool> = Config::new(
 
 pub(crate) const VALIDATE_PART_BOUNDS_ON_WRITE: Config<bool> = Config::new(
     "persist_validate_part_bounds_on_write",
-    true,
+    false,
     "Validate the part lower <= the batch lower and the part upper <= batch upper,\
     for the batch being appended.",
 );