diff --git a/opentelemetry/proto/profiles/v1experimental/pprofextended.proto b/opentelemetry/proto/profiles/v1experimental/pprofextended.proto
index 46136b16..edfc9129 100644
--- a/opentelemetry/proto/profiles/v1experimental/pprofextended.proto
+++ b/opentelemetry/proto/profiles/v1experimental/pprofextended.proto
@@ -352,9 +352,6 @@ message Location {
   // profile changes.
   bool is_folded = 5;
 
-  // Type of frame (e.g. kernel, native, python, hotspot, php). Index into string table.
-  int64 type_index = 6;
-
   // References to attributes in Profile.attribute_table. [optional]
   repeated uint64 attributes = 7;
 }