diff --git a/src/sql.h b/src/sql.h
index ab73b9bc2..2ce429566 100644
--- a/src/sql.h
+++ b/src/sql.h
@@ -94,9 +94,6 @@ sql_error (char *sql, ...);
 int
 sql_giveup (char *sql, ...);
 
-void
-sql_quiet (char *sql, ...);
-
 double
 sql_double (char *sql, ...);