diff --git a/src/item.rs b/src/item.rs
index 3f1ad79..2dfb75d 100644
--- a/src/item.rs
+++ b/src/item.rs
@@ -1500,6 +1500,7 @@
         type_: keyword!(type) >>
         ident: syn!(Ident) >>
         generics: syn!(Generics) >>
+        where_clause: option!(syn!(WhereClause)) >>
         eq: punct!(=) >>
         ty: syn!(Type) >>
         semi: punct!(;) >>
@@ -1509,7 +1510,10 @@
             defaultness: defaultness,
             type_token: type_,
             ident: ident,
-            generics: generics,
+            generics: Generics {
+                where_clause: where_clause,
+                ..generics
+            },
             eq_token: eq,
             ty: ty,
             semi_token: semi,
@@ -1925,6 +1929,7 @@
             self.type_token.to_tokens(tokens);
             self.ident.to_tokens(tokens);
             self.generics.to_tokens(tokens);
+            self.generics.where_clause.to_tokens(tokens);
             self.eq_token.to_tokens(tokens);
             self.ty.to_tokens(tokens);
             self.semi_token.to_tokens(tokens);
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index d0bb86c..cc2a810 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -116,10 +116,6 @@
         //
         // https://github.com/dtolnay/syn/issues/454
         "tests/rust/src/test/run-pass/rfc-2421-unreserve-pure-offsetof-sizeof-alignof.rs" |
-        // TODO where-clause on associated types
-        //
-        // https://github.com/dtolnay/syn/issues/453
-        "tests/rust/src/test/ui/rfc1598-generic-associated-types/generic-associated-types-where.rs" |
         // Deprecated placement syntax
         "tests/rust/src/test/run-pass/new-box-syntax.rs" |
         "tests/rust/src/test/ui/obsolete-in-place/bad.rs" |