diff --git a/packages/babel-plugin-transform-modules-systemjs/src/index.js b/packages/babel-plugin-transform-modules-systemjs/src/index.js
index d551c2f9510f..947d56031009 100644
--- a/packages/babel-plugin-transform-modules-systemjs/src/index.js
+++ b/packages/babel-plugin-transform-modules-systemjs/src/index.js
@@ -390,26 +390,16 @@ export default declare((api, options) => {
 
                     for (const specifier of specifiers) {
                       const binding = scope.getBinding(specifier.local.name);
-                      if (binding) {
-                        // hoisted function export
-                        const bindingPath = binding.path;
-                        if (bindingPath.isFunctionDeclaration()) {
-                          exportNames.push(specifier.exported.name);
-                          exportValues.push(t.cloneNode(specifier.local));
-                        } else {
-                          // the exportNames will be later added in hoistVariables
-                          addExportName(
-                            specifier.local.name,
-                            specifier.exported.name,
-                          );
-                        }
+                      // hoisted function export
+                      const bindingPath = binding.path;
+                      if (bindingPath.isFunctionDeclaration()) {
+                        exportNames.push(specifier.exported.name);
+                        exportValues.push(t.cloneNode(specifier.local));
                       } else {
-                        // only globals also exported this way
-                        nodes.push(
-                          buildExportCall(
-                            specifier.exported.name,
-                            specifier.local,
-                          ),
+                        // the exportNames will be later added in hoistVariables
+                        addExportName(
+                          specifier.local.name,
+                          specifier.exported.name,
                         );
                       }
                     }