diff --git a/src/blockstore/blockstore_journal.cpp b/src/blockstore/blockstore_journal.cpp
index 9a20bd03..0830f44f 100644
--- a/src/blockstore/blockstore_journal.cpp
+++ b/src/blockstore/blockstore_journal.cpp
@@ -326,31 +326,3 @@ void journal_t::dump_diagnostics()
         journal_used_it == used_sectors.end() ? 0 : journal_used_it->second
     );
 }
-
-static uint64_t zero_page[4096];
-
-uint32_t crc32c_pad(uint32_t prev_crc, const void *buf, size_t len, size_t left_pad, size_t right_pad)
-{
-    uint32_t r = prev_crc;
-    while (left_pad >= 4096)
-    {
-        r = crc32c(r, zero_page, 4096);
-        left_pad -= 4096;
-    }
-    if (left_pad > 0)
-        r = crc32c(r, zero_page, left_pad);
-    r = crc32c(r, buf, len);
-    while (right_pad >= 4096)
-    {
-        r = crc32c(r, zero_page, 4096);
-        right_pad -= 4096;
-    }
-    if (left_pad > 0)
-        r = crc32c(r, zero_page, right_pad);
-    return r;
-}
-
-uint32_t crc32c_nopad(uint32_t prev_crc, const void *buf, size_t len, size_t left_pad, size_t right_pad)
-{
-    return crc32c(0, buf, len);
-}
diff --git a/src/blockstore/blockstore_journal.h b/src/blockstore/blockstore_journal.h
index 4fea4d5a..1260ce85 100644
--- a/src/blockstore/blockstore_journal.h
+++ b/src/blockstore/blockstore_journal.h
@@ -216,6 +216,3 @@ struct blockstore_journal_check_t
 };
 
 journal_entry* prefill_single_journal_entry(journal_t & journal, uint16_t type, uint32_t size);
-
-uint32_t crc32c_pad(uint32_t prev_crc, const void *buf, size_t len, size_t left_pad, size_t right_pad);
-uint32_t crc32c_nopad(uint32_t prev_crc, const void *buf, size_t len, size_t left_pad, size_t right_pad);
diff --git a/src/util/crc32c.c b/src/util/crc32c.c
index deba6f9c..4afdfd3e 100644
--- a/src/util/crc32c.c
+++ b/src/util/crc32c.c
@@ -372,3 +372,31 @@ uint32_t crc32c(uint32_t crc, const void *buf, size_t len)
     return sse42 ? crc32c_hw(crc, buf, len) : crc32c_sw(crc, buf, len);
 #endif
 }
+
+static uint8_t zero_page[4096] = {};
+
+uint32_t crc32c_pad(uint32_t prev_crc, const void *buf, size_t len, size_t left_pad, size_t right_pad)
+{
+    uint32_t r = prev_crc;
+    while (left_pad >= 4096)
+    {
+        r = crc32c(r, zero_page, 4096);
+        left_pad -= 4096;
+    }
+    if (left_pad > 0)
+        r = crc32c(r, zero_page, left_pad);
+    r = crc32c(r, buf, len);
+    while (right_pad >= 4096)
+    {
+        r = crc32c(r, zero_page, 4096);
+        right_pad -= 4096;
+    }
+    if (left_pad > 0)
+        r = crc32c(r, zero_page, right_pad);
+    return r;
+}
+
+uint32_t crc32c_nopad(uint32_t prev_crc, const void *buf, size_t len, size_t left_pad, size_t right_pad)
+{
+    return crc32c(0, buf, len);
+}
diff --git a/src/util/crc32c.h b/src/util/crc32c.h
index d8901a98..c5800939 100644
--- a/src/util/crc32c.h
+++ b/src/util/crc32c.h
@@ -12,6 +12,8 @@
 extern "C" {
 #endif
 uint32_t crc32c(uint32_t crc, const void *buf, size_t len);
+uint32_t crc32c_pad(uint32_t prev_crc, const void *buf, size_t len, size_t left_pad, size_t right_pad);
+uint32_t crc32c_nopad(uint32_t prev_crc, const void *buf, size_t len, size_t left_pad, size_t right_pad);
 #ifdef __cplusplus
 };
 #endif