diff --git a/cdr.c b/cdr.c
index 3919574..7875e47 100644
--- a/cdr.c
+++ b/cdr.c
@@ -9,6 +9,9 @@
 
 static int cdr_create_cdrs(GQueue *records,
         cdr_entry_t **cdrs, uint64_t *cdr_count, uint64_t *alloc_size, uint8_t *trash, int do_intermediate);
+static int cdr_fill_record(cdr_entry_t *cdr);
+static void cdr_set_provider(cdr_entry_t *cdr);
+
 
 static const char* cdr_map_status(const char *sip_status)
 {
@@ -1537,7 +1540,7 @@ static int cdr_create_cdrs(GQueue *records,
     return 0;
 }
 
-int cdr_fill_record(cdr_entry_t *cdr)
+static int cdr_fill_record(cdr_entry_t *cdr)
 {
     cdr_set_provider(cdr);
 
@@ -1551,7 +1554,7 @@ int cdr_fill_record(cdr_entry_t *cdr)
     return 0;
 }
 
-void cdr_set_provider(cdr_entry_t *cdr)
+static void cdr_set_provider(cdr_entry_t *cdr)
 {
     char *val;
 
diff --git a/cdr.h b/cdr.h
index 1ce0f96..e00a360 100644
--- a/cdr.h
+++ b/cdr.h
@@ -61,8 +61,6 @@ typedef struct {
 
 int cdr_process_records(GQueue *records, uint64_t *cdr_count, struct medmysql_batches *,
         int do_intermediate);
-int cdr_fill_record(cdr_entry_t *cdr);
-void cdr_set_provider(cdr_entry_t *cdr);
 
 
 #endif /* _CDR_H */