diff --git a/generator/internal/http_option_utils.cc b/generator/internal/http_option_utils.cc
index 247d0debf8ade..68fbbc1e7fd9d 100644
--- a/generator/internal/http_option_utils.cc
+++ b/generator/internal/http_option_utils.cc
@@ -25,7 +25,6 @@
 #include "absl/strings/str_format.h"
 #include "absl/strings/str_split.h"
 #include "absl/types/optional.h"
-#include "absl/types/variant.h"
 #include <google/api/annotations.pb.h>
 #include <google/protobuf/compiler/cpp/names.h>
 #include <google/protobuf/descriptor.h>
diff --git a/generator/internal/http_option_utils.h b/generator/internal/http_option_utils.h
index c648a370e46f0..95326be9b5f6b 100644
--- a/generator/internal/http_option_utils.h
+++ b/generator/internal/http_option_utils.h
@@ -17,7 +17,6 @@
 
 #include "generator/internal/http_annotation_parser.h"
 #include "generator/internal/printer.h"
-#include "absl/types/variant.h"
 #include <google/protobuf/descriptor.h>
 #include <string>
 
@@ -25,13 +24,6 @@ namespace google {
 namespace cloud {
 namespace generator_internal {
 
-struct HttpSimpleInfo {
-  std::string http_verb;
-  std::string url_path;
-  std::string body;
-  std::string api_version;
-};
-
 struct HttpExtensionInfo {
   using RestPathPiece = std::function<std::string(
       google::protobuf::MethodDescriptor const&, bool)>;