--- /dev/null
+/*
+ * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#include <lttng/lttng-export.h>
+#include <stddef.h>
+
+/*
+ * These are symbols that were erroneously exposed and have since been removed.
+ */
+
+LTTNG_EXPORT size_t default_channel_subbuf_size;
+LTTNG_EXPORT size_t default_kernel_channel_subbuf_size;
+LTTNG_EXPORT size_t default_metadata_subbuf_size;
+LTTNG_EXPORT size_t default_ust_pid_channel_subbuf_size;
+LTTNG_EXPORT size_t default_ust_uid_channel_subbuf_size;
+
+LTTNG_EXPORT const char *config_element_pid_tracker = nullptr;
+LTTNG_EXPORT const char *config_element_target_pid = nullptr;
+LTTNG_EXPORT const char *config_element_targets = nullptr;
+LTTNG_EXPORT const char *config_element_trackers = nullptr;