diff --git a/include/spdk_internal/accel_engine.h b/include/spdk_internal/accel_engine.h
index e71e635d8..299ddeb8e 100644
--- a/include/spdk_internal/accel_engine.h
+++ b/include/spdk_internal/accel_engine.h
@@ -16,12 +16,6 @@ struct spdk_accel_task;
 
 void spdk_accel_task_complete(struct spdk_accel_task *task, int status);
 
-struct accel_io_channel {
-	struct spdk_io_channel		*engine_ch[ACCEL_OPC_LAST];
-	void				*task_pool_base;
-	TAILQ_HEAD(, spdk_accel_task)	task_pool;
-};
-
 struct spdk_accel_task {
 	struct accel_io_channel		*accel_ch;
 	spdk_accel_completion_cb	cb_fn;
diff --git a/lib/accel/accel_engine.c b/lib/accel/accel_engine.c
index e1341424c..cfb1a803c 100644
--- a/lib/accel/accel_engine.c
+++ b/lib/accel/accel_engine.c
@@ -43,6 +43,12 @@ static TAILQ_HEAD(, spdk_accel_module_if) spdk_accel_module_list =
 static struct spdk_accel_module_if *g_engines_opc[ACCEL_OPC_LAST] = {};
 static char *g_engines_opc_override[ACCEL_OPC_LAST] = {};
 
+struct accel_io_channel {
+	struct spdk_io_channel		*engine_ch[ACCEL_OPC_LAST];
+	void				*task_pool_base;
+	TAILQ_HEAD(, spdk_accel_task)	task_pool;
+};
+
 int
 spdk_accel_get_opc_engine_name(enum accel_opcode opcode, const char **engine_name)
 {