diff --git a/src/build.cmake b/src/build.cmake
index f2367d8a..e0f357ae 100644
--- a/src/build.cmake
+++ b/src/build.cmake
@@ -39,7 +39,6 @@ set(BFDEV_SOURCE
     ${CMAKE_CURRENT_LIST_DIR}/radix.c
     ${CMAKE_CURRENT_LIST_DIR}/ratelimit.c
     ${CMAKE_CURRENT_LIST_DIR}/rbtree.c
-    ${CMAKE_CURRENT_LIST_DIR}/refcount.c
     ${CMAKE_CURRENT_LIST_DIR}/respool.c
     ${CMAKE_CURRENT_LIST_DIR}/ringbuf.c
     ${CMAKE_CURRENT_LIST_DIR}/scnprintf.c
@@ -85,6 +84,13 @@ if(BFDEV_DEBUG_HEAP)
     )
 endif()
 
+if(BFDEV_DEBUG_REFCNT)
+    set(BFDEV_SOURCE
+        ${BFDEV_SOURCE}
+        ${CMAKE_CURRENT_LIST_DIR}/refcount-debug.c
+    )
+endif()
+
 include(${CMAKE_CURRENT_LIST_DIR}/cache/build.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/crypto/build.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/libc/build.cmake)
diff --git a/src/refcount.c b/src/refcount-debug.c
similarity index 100%
rename from src/refcount.c
rename to src/refcount-debug.c