diff --git a/src/type_determiner.cc b/src/type_determiner.cc
index 6a8532a7cb..6b5e6733bf 100644
--- a/src/type_determiner.cc
+++ b/src/type_determiner.cc
@@ -986,8 +986,10 @@ bool TypeDeterminer::DetermineMemberAccessor(
           std::make_unique<ast::type::VectorType>(vec->type(), size));
     }
   } else {
-    set_error(expr->source(),
-              "invalid type " + data_type->type_name() + " in member accessor");
+    set_error(
+        expr->source(),
+        "v-0007: invalid use of member accessor on a non-vector/non-struct " +
+            data_type->type_name());
     return false;
   }
 
diff --git a/tools/known_tint_failures b/tools/known_tint_failures
index 8cd01f14c6..baf153bee0 100644
--- a/tools/known_tint_failures
+++ b/tools/known_tint_failures
@@ -8,10 +8,5 @@ global-vars-must-be-unique-v3.fail.wgsl
 runtime-array-not-last.fail.wgsl
 self-recursion-v2.fail.wgsl
 self-recursion.fail.wgsl
-struct-def-before-use.fail.wgsl
-struct-member-def-before-use-v2.fail.wgsl
 struct-member-def-before-use-v3.fail.wgsl
-struct-member-def-before-use-v4.fail.wgsl
-struct-member-def-before-use-v5.fail.wgsl
-struct-member-def-before-use.fail.wgsl
 struct-use-before-def.fail.wgsl