diff --git a/include/spdk/crc32.h b/include/spdk/crc32.h
index 83df6fdb6..a2032a25e 100644
--- a/include/spdk/crc32.h
+++ b/include/spdk/crc32.h
@@ -46,42 +46,6 @@
 extern "C" {
 #endif
 
-/**
- * IEEE CRC-32 polynomial (bit reflected)
- */
-#define SPDK_CRC32_POLYNOMIAL_REFLECT 0xedb88320UL
-
-/**
- * CRC-32C (Castagnoli) polynomial (bit reflected)
- */
-#define SPDK_CRC32C_POLYNOMIAL_REFLECT 0x82f63b78UL
-
-struct spdk_crc32_table {
-	uint32_t table[256];
-};
-
-/**
- * Initialize a CRC32 lookup table for a given polynomial.
- *
- * \param table Table to fill with precalculated CRC-32 data.
- * \param polynomial_reflect Bit-reflected CRC-32 polynomial.
- */
-void spdk_crc32_table_init(struct spdk_crc32_table *table,
-			   uint32_t polynomial_reflect);
-
-/**
- * Calculate a partial CRC-32 checksum.
- *
- * \param table CRC-32 table initialized with spdk_crc32_table_init().
- * \param buf Data buffer to checksum.
- * \param len Length of buf in bytes.
- * \param crc Previous CRC-32 value.
- * \return Updated CRC-32 value.
- */
-uint32_t spdk_crc32_update(const struct spdk_crc32_table *table,
-			   const void *buf, size_t len,
-			   uint32_t crc);
-
 /**
  * Calculate a partial CRC-32 IEEE checksum.
  *
diff --git a/lib/util/crc32.c b/lib/util/crc32.c
index 6fbb004ce..34bb60b78 100644
--- a/lib/util/crc32.c
+++ b/lib/util/crc32.c
@@ -31,10 +31,11 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "util_internal.h"
 #include "spdk/crc32.h"
 
 void
-spdk_crc32_table_init(struct spdk_crc32_table *table, uint32_t polynomial_reflect)
+crc32_table_init(struct spdk_crc32_table *table, uint32_t polynomial_reflect)
 {
 	int i, j;
 	uint32_t val;
@@ -55,7 +56,7 @@ spdk_crc32_table_init(struct spdk_crc32_table *table, uint32_t polynomial_reflec
 #ifdef SPDK_HAVE_ARM_CRC
 
 uint32_t
-spdk_crc32_update(const struct spdk_crc32_table *table, const void *buf, size_t len, uint32_t crc)
+crc32_update(const struct spdk_crc32_table *table, const void *buf, size_t len, uint32_t crc)
 {
 	size_t count;
 	const uint64_t *dword_buf;
@@ -79,7 +80,7 @@ spdk_crc32_update(const struct spdk_crc32_table *table, const void *buf, size_t
 #else
 
 uint32_t
-spdk_crc32_update(const struct spdk_crc32_table *table, const void *buf, size_t len, uint32_t crc)
+crc32_update(const struct spdk_crc32_table *table, const void *buf, size_t len, uint32_t crc)
 {
 	const uint8_t *buf_u8 = buf;
 	size_t i;
diff --git a/lib/util/crc32_ieee.c b/lib/util/crc32_ieee.c
index 2956e3fc6..9eb02fdd6 100644
--- a/lib/util/crc32_ieee.c
+++ b/lib/util/crc32_ieee.c
@@ -31,6 +31,7 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "util_internal.h"
 #include "spdk/crc32.h"
 
 static struct spdk_crc32_table g_crc32_ieee_table;
@@ -38,11 +39,11 @@ static struct spdk_crc32_table g_crc32_ieee_table;
 __attribute__((constructor)) static void
 spdk_crc32_ieee_init(void)
 {
-	spdk_crc32_table_init(&g_crc32_ieee_table, SPDK_CRC32_POLYNOMIAL_REFLECT);
+	crc32_table_init(&g_crc32_ieee_table, SPDK_CRC32_POLYNOMIAL_REFLECT);
 }
 
 uint32_t
 spdk_crc32_ieee_update(const void *buf, size_t len, uint32_t crc)
 {
-	return spdk_crc32_update(&g_crc32_ieee_table, buf, len, crc);
+	return crc32_update(&g_crc32_ieee_table, buf, len, crc);
 }
diff --git a/lib/util/crc32c.c b/lib/util/crc32c.c
index 9c2196085..eef4c1471 100644
--- a/lib/util/crc32c.c
+++ b/lib/util/crc32c.c
@@ -31,6 +31,7 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "util_internal.h"
 #include "spdk/crc32.h"
 
 #ifdef SPDK_CONFIG_ISAL
@@ -120,13 +121,13 @@ static struct spdk_crc32_table g_crc32c_table;
 __attribute__((constructor)) static void
 spdk_crc32c_init(void)
 {
-	spdk_crc32_table_init(&g_crc32c_table, SPDK_CRC32C_POLYNOMIAL_REFLECT);
+	crc32_table_init(&g_crc32c_table, SPDK_CRC32C_POLYNOMIAL_REFLECT);
 }
 
 uint32_t
 spdk_crc32c_update(const void *buf, size_t len, uint32_t crc)
 {
-	return spdk_crc32_update(&g_crc32c_table, buf, len, crc);
+	return crc32_update(&g_crc32c_table, buf, len, crc);
 }
 
 #endif
diff --git a/lib/util/util_internal.h b/lib/util/util_internal.h
new file mode 100644
index 000000000..655ef513d
--- /dev/null
+++ b/lib/util/util_internal.h
@@ -0,0 +1,77 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
+ *   Copyright (c) Intel Corporation.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SPDK_UTIL_INTERNAL_H
+#define SPDK_UTIL_INTERNAL_H
+
+#include "spdk/stdinc.h"
+
+/**
+ * IEEE CRC-32 polynomial (bit reflected)
+ */
+#define SPDK_CRC32_POLYNOMIAL_REFLECT 0xedb88320UL
+
+/**
+ * CRC-32C (Castagnoli) polynomial (bit reflected)
+ */
+#define SPDK_CRC32C_POLYNOMIAL_REFLECT 0x82f63b78UL
+
+struct spdk_crc32_table {
+	uint32_t table[256];
+};
+
+/**
+ * Initialize a CRC32 lookup table for a given polynomial.
+ *
+ * \param table Table to fill with precalculated CRC-32 data.
+ * \param polynomial_reflect Bit-reflected CRC-32 polynomial.
+ */
+void crc32_table_init(struct spdk_crc32_table *table,
+		      uint32_t polynomial_reflect);
+
+
+/**
+ * Calculate a partial CRC-32 checksum.
+ *
+ * \param table CRC-32 table initialized with crc32_table_init().
+ * \param buf Data buffer to checksum.
+ * \param len Length of buf in bytes.
+ * \param crc Previous CRC-32 value.
+ * \return Updated CRC-32 value.
+ */
+uint32_t crc32_update(const struct spdk_crc32_table *table,
+		      const void *buf, size_t len,
+		      uint32_t crc);
+
+#endif /* SPDK_UTIL_INTERNAL_H */
diff --git a/test/make/check_so_deps.sh b/test/make/check_so_deps.sh
index 103e3203a..37a8f719a 100755
--- a/test/make/check_so_deps.sh
+++ b/test/make/check_so_deps.sh
@@ -114,6 +114,10 @@ function confirm_abi_deps() {
 	name = SPDK_LOG_THREAD
 [suppress_variable]
 	name = SPDK_LOG_TRACE
+[suppress_function]
+	name = spdk_crc32_table_init
+[suppress_function]
+	name = spdk_crc32_update
 EOF
 
 	for object in "$libdir"/libspdk_*.so; do