diff --git a/lib/optimize/SideEffectsFlagPlugin.js b/lib/optimize/SideEffectsFlagPlugin.js
index 3f162b7e5..b13652783 100644
--- a/lib/optimize/SideEffectsFlagPlugin.js
+++ b/lib/optimize/SideEffectsFlagPlugin.js
@@ -247,6 +247,7 @@ class SideEffectsFlagPlugin {
 						const optimizedModules = new Set();
 
 						const optimizeIncomingConnections = module => {
+							if (optimizedModules.has(module)) return;
 							optimizedModules.add(module);
 							if (module.getSideEffectsConnectionState(moduleGraph) === false) {
 								const exportsInfo = moduleGraph.getExportsInfo(module);
@@ -264,10 +265,7 @@ class SideEffectsFlagPlugin {
 									) {
 										// TODO improve for export *
 										if (isReexport && dep.name) {
-											if (
-												connection.originModule !== null &&
-												!optimizedModules.has(connection.originModule)
-											) {
+											if (connection.originModule !== null) {
 												optimizeIncomingConnections(connection.originModule);
 											}
 											const exportInfo = moduleGraph.getExportInfo(
@@ -327,7 +325,6 @@ class SideEffectsFlagPlugin {
 						};
 
 						for (const module of modules) {
-							if (optimizedModules.has(module)) continue;
 							optimizeIncomingConnections(module);
 						}
 						logger.timeEnd("update dependencies");