diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix
index 276c7cd1bdb..ae97d569133 100644
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -35,7 +35,6 @@
   system,  # Note: This is the cross system we're compiling for
 }:
 
-# WARNING: this API is unstable and may be subject to backwards-incompatible changes in the future.
 let
 
   mkDbExtraCommand = contents: let