diff --git a/lib/tokenlist.cpp b/lib/tokenlist.cpp
index 97cfb6f99..84e2e212c 100644
--- a/lib/tokenlist.cpp
+++ b/lib/tokenlist.cpp
@@ -1233,9 +1233,6 @@ void TokenList::validateAst() const
             // Skip lambda assignment and/or initializer
             if (Token::Match(tok, "= {|^|["))
                 continue;
-            // FIXME: Workaround broken AST assignment in type aliases
-            if (Token::Match(tok->previous(), "%name% = %name%"))
-                continue;
             if (!tok->astOperand1() || !tok->astOperand2())
                 throw InternalError(tok, "Syntax Error: AST broken, binary operator '" + tok->str() + "' doesn't have two operands.", InternalError::AST);
         }