diff --git a/ext/mysqlnd/mysqlnd_debug.c b/ext/mysqlnd/mysqlnd_debug.c
index 0bbfe0133cf..c8f682b8e21 100644
--- a/ext/mysqlnd/mysqlnd_debug.c
+++ b/ext/mysqlnd/mysqlnd_debug.c
@@ -713,9 +713,7 @@ PHPAPI MYSQLND_DEBUG *
 mysqlnd_debug_init(const char * skip_functions[] TSRMLS_DC)
 {
 	MYSQLND_DEBUG *ret = calloc(1, sizeof(MYSQLND_DEBUG));
-#ifdef ZTS
-	ret->tsrm_ls = tsrm_get_ls_cache();
-#endif
+
 	ret->nest_level_limit = 0;
 	ret->pid = getpid();
 	zend_stack_init(&ret->call_stack, sizeof(char *));
diff --git a/ext/mysqlnd/mysqlnd_debug.h b/ext/mysqlnd/mysqlnd_debug.h
index 463c60cee3a..e8dfeb6c4a4 100644
--- a/ext/mysqlnd/mysqlnd_debug.h
+++ b/ext/mysqlnd/mysqlnd_debug.h
@@ -45,9 +45,6 @@ struct st_mysqlnd_debug_methods
 struct st_mysqlnd_debug
 {
 	php_stream	*stream;
-#ifdef ZTS
-	void ***tsrm_ls;
-#endif
 	unsigned int flags;
 	unsigned int nest_level_limit;
 	int pid;