diff --git a/include/mariadb_rpl.h b/include/mariadb_rpl.h
index 96b3aba0..315543f7 100644
--- a/include/mariadb_rpl.h
+++ b/include/mariadb_rpl.h
@@ -291,8 +291,8 @@ typedef struct st_mariadb_rpl_event
 /* Function prototypes */
 MARIADB_RPL * STDCALL mariadb_rpl_init_ex(MYSQL *mysql, unsigned int version);
 
-int STDCALL mariadb_rpl_optionsv(MARIADB_RPL *rpl, enum mariadb_rpl_option, ...);
-int STDCALL mariadb_rpl_get_optionsv(MARIADB_RPL *rpl, enum mariadb_rpl_option, ...);
+int mariadb_rpl_optionsv(MARIADB_RPL *rpl, enum mariadb_rpl_option, ...);
+int mariadb_rpl_get_optionsv(MARIADB_RPL *rpl, enum mariadb_rpl_option, ...);
 
 int STDCALL mariadb_rpl_open(MARIADB_RPL *rpl);
 void STDCALL mariadb_rpl_close(MARIADB_RPL *rpl);
diff --git a/libmariadb/mariadb_rpl.c b/libmariadb/mariadb_rpl.c
index ab87a884..6a7e0cf1 100644
--- a/libmariadb/mariadb_rpl.c
+++ b/libmariadb/mariadb_rpl.c
@@ -409,7 +409,7 @@ void STDCALL mariadb_rpl_close(MARIADB_RPL *rpl)
   return;
 }
 
-int STDCALL mariadb_rpl_optionsv(MARIADB_RPL *rpl,
+int mariadb_rpl_optionsv(MARIADB_RPL *rpl,
                         enum mariadb_rpl_option option,
                         ...)
 {
@@ -464,7 +464,7 @@ end:
   return rc;
 }
 
-int STDCALL mariadb_rpl_get_optionsv(MARIADB_RPL *rpl,
+int mariadb_rpl_get_optionsv(MARIADB_RPL *rpl,
                         enum mariadb_rpl_option option,
                         ...)
 {