diff --git a/db.h b/db.h
index 165c3c5..38ac2c8 100644
--- a/db.h
+++ b/db.h
@@ -30,7 +30,7 @@
 	#define 	DB_init 			mysql_do_init
 	#define 	DB_is_init 		mysql_is_init
 	#define 	DB_query 			mysql_do_query
-	#define 	DB_num_rows 		mysql_do_num_rows
+	#define 	DB_num_rows 		mysql_num_rows
 	#define 	DB_fetch_row 		mysql_fetch_row
 	#define 	DB_free_result 	mysql_free_result
 	#define 	DB_escape_string 	mysql_do_escape_string
@@ -39,14 +39,11 @@
 	#define 	DB_out_init 			mysql_do_out_init
 	#define 	DB_is_out_init 		mysql_is_out_init
 	#define 	DB_out_query 			mysql_do_out_query
-	#define 	DB_out_num_rows 		mysql_do_out_num_rows
 	#define 	DB_out_escape_string 	mysql_do_out_escape_string
 	#define 	DB_out_close 			mysql_do_out_close
 
 	DB_result* DB_query ( const char* );
 	DB_result* DB_out_query ( const char* );
-	unsigned long     DB_num_rows();
-	unsigned long     DB_out_num_rows();
 #endif
 
 #ifdef 	HAVE_LIBPQ
diff --git a/mysql.c b/mysql.c
index 60fa0eb..8416091 100644
--- a/mysql.c
+++ b/mysql.c
@@ -156,18 +156,6 @@ mysql_do_out_escape_string ( char **to, const char *from, unsigned long length )
 	return mysql_real_escape_string ( outdb, *to, from, length );
 }
 
-unsigned long
-mysql_do_num_rows ()
-{
-	return mysql_num_rows ( db );
-}
-
-unsigned long
-mysql_do_num_rows ()
-{
-	return mysql_num_rows ( outdb );
-}
-
 void
 mysql_do_out_close ()
 {
diff --git a/neural.c b/neural.c
index a7bcd6b..5f250cb 100644
--- a/neural.c
+++ b/neural.c
@@ -85,7 +85,7 @@ AI_som_train ()
 		AI_fatal_err ( "AIPreproc: Query error", __FILE__, __LINE__ );
 	}
 
-	num_rows = DB_out_num_rows();
+	num_rows = DB_num_rows ( res );
 
 	if ( !( inputs = (double**) alloca ( num_rows * sizeof ( double* ))))
 	{