diff --git a/wallet/db.c b/wallet/db.c
index 86657a1d7..bc4792a82 100644
--- a/wallet/db.c
+++ b/wallet/db.c
@@ -161,7 +161,7 @@ static void db_do_exec(const char *caller, struct db *db, const char *cmd)
 	}
 }
 
-void PRINTF_FMT(3, 4)
+static void PRINTF_FMT(3, 4)
     db_exec(const char *caller, struct db *db, const char *fmt, ...)
 {
 	va_list ap;
diff --git a/wallet/db.h b/wallet/db.h
index 8b8e3f89f..2e7d18612 100644
--- a/wallet/db.h
+++ b/wallet/db.h
@@ -38,12 +38,6 @@ struct db *db_setup(const tal_t *ctx);
 sqlite3_stmt *PRINTF_FMT(3, 4)
 	db_query(const char *caller, struct db *db, const char *fmt, ...);
 
-/**
- * db_exec - execute a statement, call fatal() if it fails.
- */
-void PRINTF_FMT(3, 4)
-	db_exec(const char *caller, struct db *db, const char *fmt, ...);
-
 /**
  * db_begin_transaction - Begin a transaction
  *