diff --git a/go/google/fhir/jsonformat/internal/protopath/proto_path.go b/go/google/fhir/jsonformat/internal/protopath/proto_path.go
index 6d9e418d3..282b4f401 100644
--- a/go/google/fhir/jsonformat/internal/protopath/proto_path.go
+++ b/go/google/fhir/jsonformat/internal/protopath/proto_path.go
@@ -85,18 +85,6 @@ func (p Path) String() string {
 	return strings.Join(strParts, ".")
 }
 
-// NewPath creates a Path from a string definition using Go field names.
-//
-// Deprecated: Opaque protos will break this indexing Go proto structs by field
-// name. Please use NewProtoPath instead.
-func NewPath(p string) Path {
-	path := Path{}
-	for _, part := range strings.Split(p, ".") {
-		path.parts = append(path.parts, goPathPart(part))
-	}
-	return path
-}
-
 // NewProtoPath creates a Path from a string definition using proto field names.
 func NewProtoPath(p string) Path {
 	path := Path{}
@@ -592,16 +580,3 @@ func Get(m proto.Message, path Path, defVal interface{}) (interface{}, error) {
 	}
 	return get(m.ProtoReflect(), defVal, path.parts)
 }
-
-// GetString retrieves a string value from a proto at `path`, or returns an
-// empty string. An error will occur if the path is invalid.
-//
-// Deprecated: use Get and cast the result yourself.
-func GetString(m protov1.Message, path Path) (string, error) {
-	v, err := Get(protov1.MessageV2(m), path, "")
-	if err != nil {
-		return "", err
-	}
-	// Cannot panic because we've already checked that the value is a string.
-	return v.(string), nil
-}
diff --git a/go/google/fhir/jsonformat/internal/protopath/proto_path_test.go b/go/google/fhir/jsonformat/internal/protopath/proto_path_test.go
index 7c3970219..b5a53ac98 100644
--- a/go/google/fhir/jsonformat/internal/protopath/proto_path_test.go
+++ b/go/google/fhir/jsonformat/internal/protopath/proto_path_test.go
@@ -603,23 +603,6 @@ func TestGet_Errors(t *testing.T) {
 	}
 }
 
-func TestGetString(t *testing.T) {
-	msg := &rfpb.Account{}
-	path := NewProtoPath("meta.id.value")
-	v, err := GetString(msg, path)
-	if err != nil {
-		t.Fatalf("GetString(%v, %v) got error %v, expected <nil>", msg, path, err)
-	}
-	if v != "" {
-		t.Fatalf(`GetString(%v, %v) got %v, expected ""`, msg, path, v)
-	}
-
-	path = NewProtoPath("foo")
-	if _, err := GetString(msg, path); err == nil {
-		t.Fatalf("GetString(%v, %v) got error <nil>, expected error", msg, path)
-	}
-}
-
 func TestString(t *testing.T) {
 	tests := []string{
 		"normal",