diff --git a/idea/resources/META-INF/plugin-common.xml b/idea/resources/META-INF/plugin-common.xml
index 1e62baa2476..5715e17b8c8 100644
--- a/idea/resources/META-INF/plugin-common.xml
+++ b/idea/resources/META-INF/plugin-common.xml
@@ -694,7 +694,9 @@
     <gotoDeclarationHandler implementation="org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinImportAliasGotoDeclarationHandler"/>
     <referencesSearch implementation="org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinReferencesSearcher"/>
     <referencesSearch implementation="org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinAliasedImportedElementSearcher"/>
+<!--
     <codeUsageScopeOptimizer implementation="org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinReferenceScopeOptimizer"/>
+-->
     <directClassInheritorsSearch implementation="org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinDirectInheritorsSearcher"/>
     <overridingMethodsSearch implementation="org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinOverridingMethodsWithGenericsSearcher"/>
     <definitionsScopedSearch implementation="org.jetbrains.kotlin.idea.search.ideaExtensions.KotlinDefinitionsSearcher"/>