diff --git a/tools/export/iar.py b/tools/export/iar.py
index 89ec51351a..16a626a9ba 100644
--- a/tools/export/iar.py
+++ b/tools/export/iar.py
@@ -72,6 +72,8 @@ class IAREmbeddedWorkbench(Exporter):
         project_data['tool_specific']['iar'].setdefault("misc", {})
         project_data['tool_specific']['iar'].update(tool_specific['iar'])
         project_data['tool_specific']['iar']['misc'].update(self.progen_flags)
+        # VLA is enabled via template IccAllowVLA
+        project_data['tool_specific']['iar']['misc']['c_flags'].remove("--vla")
         project_data['common']['build_dir'] = os.path.join(project_data['common']['build_dir'], 'iar_arm')
         self.progen_gen_file('iar_arm', project_data)