diff --git a/lib/log/log.c b/lib/log/log.c
index 69dfdb464e..e8fa93d0b8 100644
--- a/lib/log/log.c
+++ b/lib/log/log.c
@@ -48,8 +48,36 @@ static const char *const spdk_level_names[] = {
 static logfunc *g_log = NULL;
 static bool g_log_timestamps = true;
 
-extern enum spdk_log_level g_spdk_log_level;
-extern enum spdk_log_level g_spdk_log_print_level;
+enum spdk_log_level g_spdk_log_level;
+enum spdk_log_level g_spdk_log_print_level;
+
+SPDK_LOG_REGISTER_COMPONENT(log)
+
+void
+spdk_log_set_level(enum spdk_log_level level)
+{
+	assert(level >= SPDK_LOG_DISABLED);
+	assert(level <= SPDK_LOG_DEBUG);
+	g_spdk_log_level = level;
+}
+
+enum spdk_log_level
+spdk_log_get_level(void) {
+	return g_spdk_log_level;
+}
+
+void
+spdk_log_set_print_level(enum spdk_log_level level)
+{
+	assert(level >= SPDK_LOG_DISABLED);
+	assert(level <= SPDK_LOG_DEBUG);
+	g_spdk_log_print_level = level;
+}
+
+enum spdk_log_level
+spdk_log_get_print_level(void) {
+	return g_spdk_log_print_level;
+}
 
 void
 spdk_log_open(logfunc *logf)
diff --git a/lib/log/log_flags.c b/lib/log/log_flags.c
index 9daffafc60..bcf9a19aec 100644
--- a/lib/log/log_flags.c
+++ b/lib/log/log_flags.c
@@ -37,39 +37,6 @@
 
 static TAILQ_HEAD(, spdk_log_flag) g_log_flags = TAILQ_HEAD_INITIALIZER(g_log_flags);
 
-enum spdk_log_level g_spdk_log_level = SPDK_LOG_NOTICE;
-enum spdk_log_level g_spdk_log_print_level = SPDK_LOG_NOTICE;
-
-SPDK_LOG_REGISTER_COMPONENT(log)
-
-#define MAX_TMPBUF 1024
-
-void
-spdk_log_set_level(enum spdk_log_level level)
-{
-	assert(level >= SPDK_LOG_DISABLED);
-	assert(level <= SPDK_LOG_DEBUG);
-	g_spdk_log_level = level;
-}
-
-enum spdk_log_level
-spdk_log_get_level(void) {
-	return g_spdk_log_level;
-}
-
-void
-spdk_log_set_print_level(enum spdk_log_level level)
-{
-	assert(level >= SPDK_LOG_DISABLED);
-	assert(level <= SPDK_LOG_DEBUG);
-	g_spdk_log_print_level = level;
-}
-
-enum spdk_log_level
-spdk_log_get_print_level(void) {
-	return g_spdk_log_print_level;
-}
-
 static struct spdk_log_flag *
 get_log_flag(const char *name)
 {