diff --git a/plugins/build-env/pre-build b/plugins/build-env/pre-build
index de761a418..94353e649 100755
--- a/plugins/build-env/pre-build
+++ b/plugins/build-env/pre-build
@@ -4,7 +4,10 @@ source "$PLUGIN_PATH/common/functions"
 
 APP="$1"; IMAGE="dokku/$APP"; BUILD_ENV=""
 
-[[ -f "$DOKKU_ROOT/BUILD_ENV" ]] && cat "$DOKKU_ROOT/BUILD_ENV" >> "$DOKKU_ROOT/ENV" && rm "$DOKKU_ROOT/BUILD_ENV"
+[[ -f "$DOKKU_ROOT/BUILD_ENV" ]] && cat "$DOKKU_ROOT/BUILD_ENV" >> "$DOKKU_ROOT/ENV" && {
+  dokku_log_info2 "Using a global BUILD_ENV file is deprecated as of 0.3.26"
+  rm "$DOKKU_ROOT/BUILD_ENV"
+}
 
 dokku config:get --global CURL_CONNECT_TIMEOUT > /dev/null 2>&1 || dokku config:set --global CURL_CONNECT_TIMEOUT=5
 dokku config:get --global CURL_TIMEOUT > /dev/null 2>&1 || dokku config:set --global CURL_TIMEOUT=30