diff --git a/CHANGES.md b/CHANGES.md
index 2194739..1c992cf 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,7 @@ should not be affected by this change.
 * ADD application contexts. You can register dependencies within an application context which allow you to fine-tune the creation of dependency instances.
 * CHANGE all public poodinis imports to private. This should not affect you if you use the package import "poodinis" instead of individual modules.
 * REMOVE deprecated ADD_CONCRETE_TYPE_REGISTRATION registration option.
+* REMOVE deprecated RegistrationOptions alias.
 
 **Version 5.0.0**
 * DEPRECATE ADD_CONCRETE_TYPE_REGISTRATION registration option. It basically does nothing anymore. See next point.
diff --git a/source/poodinis/container.d b/source/poodinis/container.d
index 8d050d3..f947e87 100644
--- a/source/poodinis/container.d
+++ b/source/poodinis/container.d
@@ -54,11 +54,6 @@ public enum RegistrationOption {
 	DO_NOT_ADD_CONCRETE_TYPE_REGISTRATION
 }
 
-/**
- * Deprecated: Use enum RegistrationOption instead
- */
-alias RegistrationOptions = RegistrationOption;
-
 /**
  * The dependency container maintains all dependencies registered with it.
  *