diff --git a/crates/stackable-operator/CHANGELOG.md b/crates/stackable-operator/CHANGELOG.md
index ba11cbe2c..5499061e2 100644
--- a/crates/stackable-operator/CHANGELOG.md
+++ b/crates/stackable-operator/CHANGELOG.md
@@ -11,8 +11,10 @@ All notable changes to this project will be documented in this file.
 ### Changed
 
 - BREAKING: Change signature of `ContainerBuilder::add_env_vars` from `Vec<EnvVar>` to `IntoIterator<Item = EnvVar>` ([#1163]).
+- BREAKING: Remove `EXPERIMENTAL_` prefix in `CONFIG_OVERRIDE_FILE_HEADER_KEY` and `CONFIG_OVERRIDE_FILE_FOOTER_KEY` ([#1191]).
 
 [#1163]: https://github.com/stackabletech/operator-rs/pull/1163
+[#1191]: https://github.com/stackabletech/operator-rs/pull/1191
 
 ## [0.109.0] - 2026-04-07
 
diff --git a/crates/stackable-operator/src/product_config_utils.rs b/crates/stackable-operator/src/product_config_utils.rs
index bcf75572e..0a7cbde7a 100644
--- a/crates/stackable-operator/src/product_config_utils.rs
+++ b/crates/stackable-operator/src/product_config_utils.rs
@@ -9,8 +9,8 @@ use tracing::{debug, error, warn};
 
 use crate::role_utils::{CommonConfiguration, Role};
 
-pub const CONFIG_OVERRIDE_FILE_HEADER_KEY: &str = "EXPERIMENTAL_FILE_HEADER";
-pub const CONFIG_OVERRIDE_FILE_FOOTER_KEY: &str = "EXPERIMENTAL_FILE_FOOTER";
+pub const CONFIG_OVERRIDE_FILE_HEADER_KEY: &str = "FILE_HEADER";
+pub const CONFIG_OVERRIDE_FILE_FOOTER_KEY: &str = "FILE_FOOTER";
 
 type Result<T, E = Error> = std::result::Result<T, E>;