diff --git a/platform/util/resources/misc/registry.properties b/platform/util/resources/misc/registry.properties
index ba631a3eb6e6..b65cdb0d5acf 100644
--- a/platform/util/resources/misc/registry.properties
+++ b/platform/util/resources/misc/registry.properties
@@ -1480,8 +1480,6 @@ ide.new.tabs=true
 ide.new.tabs.description=Use new look of tabs
 ide.new.tabs.restartRequired=true
 
-php.register.class.references.in.strings=true
-php.register.class.references.in.strings.description=Enables extended class reference provider for php string literals.
 php.brace.alt.syntax=false
 php.brace.alt.syntax.description=Enables brace matching for `: .. endXXX` syntax.
 php.fqcn.completion=true