diff --git a/include/spdk_internal/accel_engine.h b/include/spdk_internal/accel_engine.h
index 98b13c2ac..441cba65b 100644
--- a/include/spdk_internal/accel_engine.h
+++ b/include/spdk_internal/accel_engine.h
@@ -67,13 +67,9 @@ enum accel_opcode {
 };
 
 struct spdk_accel_task {
-	struct accel_io_channel			*accel_ch;
-	spdk_accel_completion_cb		cb_fn;
-	void					*cb_arg;
-	struct {
-		spdk_accel_completion_cb	cb_fn;
-		void				*cb_arg;
-	} chained;
+	struct accel_io_channel		*accel_ch;
+	spdk_accel_completion_cb	cb_fn;
+	void				*cb_arg;
 	union {
 		struct {
 			struct iovec		*iovs; /* iovs passed by the caller */
diff --git a/lib/accel/accel_engine.c b/lib/accel/accel_engine.c
index 79b753d7c..c8b671123 100644
--- a/lib/accel/accel_engine.c
+++ b/lib/accel/accel_engine.c
@@ -309,36 +309,6 @@ spdk_accel_submit_crc32c(struct spdk_io_channel *ch, uint32_t *crc_dst, void *sr
 	}
 }
 
-static void
-crc32cv_done(void *cb_arg, int status)
-{
-	struct spdk_accel_task *accel_task = cb_arg;
-	struct spdk_io_channel *ch = spdk_io_channel_from_ctx(accel_task->accel_ch);
-
-	assert(accel_task->chained.cb_fn != NULL);
-	assert(accel_task->chained.cb_arg != NULL);
-
-	if (spdk_likely(!status)) {
-		if (accel_task->op_code == ACCEL_OPCODE_COPY_CRC32C) {
-			accel_task->dst = (char *)accel_task->dst + accel_task->nbytes;
-			status = spdk_accel_submit_copy_crc32cv(ch, accel_task->dst, ++accel_task->v.iovs,
-								accel_task->v.iovcnt - 1, accel_task->crc_dst,
-								~(*((uint32_t *)accel_task->crc_dst)),
-								accel_task->chained.cb_fn, accel_task->chained.cb_arg);
-		} else {
-			status = spdk_accel_submit_crc32cv(ch, accel_task->crc_dst, ++accel_task->v.iovs,
-							   accel_task->v.iovcnt - 1, ~(*((uint32_t *)accel_task->crc_dst)),
-							   accel_task->chained.cb_fn, accel_task->chained.cb_arg);
-		}
-
-		if (spdk_likely(!status)) {
-			return;
-		}
-	}
-
-	accel_task->chained.cb_fn(accel_task->chained.cb_arg, status);
-}
-
 /* Accel framework public API for chained CRC-32C function */
 int
 spdk_accel_submit_crc32cv(struct spdk_io_channel *ch, uint32_t *crc_dst, struct iovec *iov,
@@ -357,10 +327,6 @@ spdk_accel_submit_crc32cv(struct spdk_io_channel *ch, uint32_t *crc_dst, struct
 		return -EINVAL;
 	}
 
-	if (iov_cnt == 1) {
-		return spdk_accel_submit_crc32c(ch, crc_dst, iov[0].iov_base, seed, iov[0].iov_len, cb_fn, cb_arg);
-	}
-
 	accel_ch = spdk_io_channel_get_ctx(ch);
 	accel_task = _get_task(accel_ch, cb_fn, cb_arg);
 	if (accel_task == NULL) {
@@ -376,13 +342,6 @@ spdk_accel_submit_crc32cv(struct spdk_io_channel *ch, uint32_t *crc_dst, struct
 	accel_task->op_code = ACCEL_OPCODE_CRC32C;
 
 	if (_is_supported(accel_ch->engine, ACCEL_CRC32C)) {
-		accel_task->cb_fn = crc32cv_done;
-		accel_task->cb_arg = accel_task;
-		accel_task->chained.cb_fn = cb_fn;
-		accel_task->chained.cb_arg = cb_arg;
-
-		accel_task->nbytes = iov[0].iov_len;
-
 		return accel_ch->engine->submit_tasks(accel_ch->engine_ch, accel_task);
 	} else {
 		_sw_accel_crc32cv(crc_dst, iov, iov_cnt, seed);
@@ -442,11 +401,6 @@ spdk_accel_submit_copy_crc32cv(struct spdk_io_channel *ch, void *dst, struct iov
 		return -EINVAL;
 	}
 
-	if (iov_cnt == 1) {
-		return spdk_accel_submit_copy_crc32c(ch, dst, src_iovs[0].iov_base, crc_dst, seed,
-						     src_iovs[0].iov_len, cb_fn, cb_arg);
-	}
-
 	accel_ch = spdk_io_channel_get_ctx(ch);
 	accel_task = _get_task(accel_ch, cb_fn, cb_arg);
 	if (accel_task == NULL) {
@@ -463,13 +417,6 @@ spdk_accel_submit_copy_crc32cv(struct spdk_io_channel *ch, void *dst, struct iov
 	accel_task->op_code = ACCEL_OPCODE_COPY_CRC32C;
 
 	if (_is_supported(accel_ch->engine, ACCEL_COPY_CRC32C)) {
-		accel_task->cb_fn = crc32cv_done;
-		accel_task->cb_arg = accel_task;
-		accel_task->chained.cb_fn = cb_fn;
-		accel_task->chained.cb_arg = cb_arg;
-
-		accel_task->nbytes = src_iovs[0].iov_len;
-
 		return accel_ch->engine->submit_tasks(accel_ch->engine_ch, accel_task);
 	} else {
 		_sw_accel_copyv(dst, src_iovs, iov_cnt);
diff --git a/test/unit/lib/accel/accel.c/accel_engine_ut.c b/test/unit/lib/accel/accel.c/accel_engine_ut.c
index c7b584785..043693dd5 100644
--- a/test/unit/lib/accel/accel.c/accel_engine_ut.c
+++ b/test/unit/lib/accel/accel.c/accel_engine_ut.c
@@ -653,11 +653,9 @@ test_spdk_accel_submit_crc32cv(void)
 	CU_ASSERT(task.seed == seed);
 	CU_ASSERT(task.op_code == ACCEL_OPCODE_CRC32C);
 	CU_ASSERT(g_dummy_submit_called == true);
-	CU_ASSERT(task.cb_fn == crc32cv_done);
-	CU_ASSERT(task.cb_arg == &task);
+	CU_ASSERT(task.cb_fn == dummy_submit_cb_fn);
+	CU_ASSERT(task.cb_arg == cb_arg);
 	CU_ASSERT(task.nbytes == iov[0].iov_len);
-	CU_ASSERT(task.chained.cb_fn == dummy_submit_cb_fn);
-	CU_ASSERT(task.chained.cb_arg == cb_arg);
 
 	TAILQ_INSERT_TAIL(&g_accel_ch->task_pool, &task, link);
 	g_dummy_submit_called = false;