diff --git a/src/rules/deprecation.ts b/src/rules/deprecation.ts
index 01cca04..d496c8f 100644
--- a/src/rules/deprecation.ts
+++ b/src/rules/deprecation.ts
@@ -132,6 +132,9 @@ function isDeclaration(
       // Prevent considering initializer, extends, or implements to be declaration
       return parent.id === id;
 
+    //@ts-ignore
+    case 'ClassProperty':
+    //@ts-ignore
     case 'PropertyDefinition':
       // Prevent considering value to be a declaration
       return parent.key === id;