diff --git a/src/php_pqconn.c b/src/php_pqconn.c
index 4baa5ec..10eb5d4 100644
--- a/src/php_pqconn.c
+++ b/src/php_pqconn.c
@@ -1314,11 +1314,6 @@ STATUS php_pqconn_prepare_async(zval *object, php_pqconn_object_t *obj, const ch
 	if (!PQsendPrepare(obj->intern->conn, name, query, params->type.count, params->type.oids)) {
 		rv = FAILURE;
 		throw_exce(EX_IO TSRMLS_CC, "Failed to prepare statement (%s)", PHP_PQerrorMessage(obj->intern->conn));
-#if HAVE_PQSETSINGLEROWMODE
-	} else if (obj->intern->unbuffered && !PQsetSingleRowMode(obj->intern->conn)) {
-		rv = FAILURE;
-		throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to enable unbuffered mode (%s)", PHP_PQerrorMessage(obj->intern->conn));
-#endif
 	} else {
 		rv = SUCCESS;
 		obj->intern->poller = PQconsumeInput;
@@ -1446,11 +1441,6 @@ STATUS php_pqconn_declare_async(zval *object, php_pqconn_object_t *obj, const ch
 	if (!PQsendQuery(obj->intern->conn, decl)) {
 		rv = FAILURE;
 		throw_exce(EX_IO TSRMLS_CC, "Failed to declare cursor (%s)", PHP_PQerrorMessage(obj->intern->conn));
-#if HAVE_PQSETSINGLEROWMODE
-	} else if (obj->intern->unbuffered && !PQsetSingleRowMode(obj->intern->conn)) {
-		rv = FAILURE;
-		throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to enable unbuffered mode (%s)", PHP_PQerrorMessage(obj->intern->conn));
-#endif
 	} else {
 		rv = SUCCESS;
 		obj->intern->poller = PQconsumeInput;