diff --git a/src/or/policies.c b/src/or/policies.c
index f4cde43ae4e4da069cb2bce1c81d4a4236e1673b..d588a805dbac5c41753ae7e3742d6e59c9d7ba4c 100644
--- a/src/or/policies.c
+++ b/src/or/policies.c
@@ -8,6 +8,8 @@
  * \brief Code to parse and use address policies and exit policies.
  **/
 
+#define POLICIES_PRIVATE
+
 #include "or.h"
 #include "config.h"
 #include "dirserv.h"
diff --git a/src/or/policies.h b/src/or/policies.h
index 72e62c7de0481affb50537dc4c71f5b88f491956..bb56bf42b810c64e6efb579b6dc47fe1a9742e7e 100644
--- a/src/or/policies.h
+++ b/src/or/policies.h
@@ -93,7 +93,7 @@ addr_policy_result_t compare_tor_addr_to_short_policy(
                           const short_policy_t *policy);
 
 #ifdef POLICIES_PRIVATE
-void append_exit_policy_string(smartlist_t **policy, const char *more);
+STATIC void append_exit_policy_string(smartlist_t **policy, const char *more);
 #endif
 
 #endif
diff --git a/src/test/test_policy.c b/src/test/test_policy.c
index 9ab3abe35a05c2976205b38bf1e6720f8d925451..4cf56c8b3a9622db1c1a53ab374f98c5782490dc 100644
--- a/src/test/test_policy.c
+++ b/src/test/test_policy.c
@@ -826,7 +826,7 @@ test_dump_exit_policy_to_string(void *arg)
 }
 
 static routerinfo_t *mock_desc_routerinfo = NULL;
-const routerinfo_t *mock_router_get_my_routerinfo(void)
+static const routerinfo_t *mock_router_get_my_routerinfo(void)
 {
   return mock_desc_routerinfo;
 }