diff --git a/src/compiler/cpp_generator_helpers.h b/src/compiler/cpp_generator_helpers.h
index e3c76e0..632ff3c 100644
--- a/src/compiler/cpp_generator_helpers.h
+++ b/src/compiler/cpp_generator_helpers.h
@@ -38,50 +38,16 @@
 #include <string>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/descriptor.pb.h>
+#include "src/compiler/generator_helpers.h"
 
 namespace grpc_cpp_generator {
 
-inline bool StripSuffix(std::string *filename, const std::string &suffix) {
-  if (filename->length() >= suffix.length()) {
-    size_t suffix_pos = filename->length() - suffix.length();
-    if (filename->compare(suffix_pos, std::string::npos, suffix) == 0) {
-      filename->resize(filename->size() - suffix.size());
-      return true;
-    }
-  }
-
-  return false;
-}
-
-inline std::string StripProto(std::string filename) {
-  if (!StripSuffix(&filename, ".protodevel")) {
-    StripSuffix(&filename, ".proto");
-  }
-  return filename;
-}
-
-inline std::string StringReplace(std::string str, const std::string &from,
-                                 const std::string &to) {
-  size_t pos = 0;
-
-  for (;;) {
-    pos = str.find(from, pos);
-    if (pos == std::string::npos) {
-      break;
-    }
-    str.replace(pos, from.length(), to);
-    pos += to.length();
-  }
-
-  return str;
-}
-
 inline std::string DotsToColons(const std::string &name) {
-  return StringReplace(name, ".", "::");
+  return grpc_generator::StringReplace(name, ".", "::");
 }
 
 inline std::string DotsToUnderscores(const std::string &name) {
-  return StringReplace(name, ".", "_");
+  return grpc_generator::StringReplace(name, ".", "_");
 }
 
 inline std::string ClassName(const google::protobuf::Descriptor *descriptor,
diff --git a/src/compiler/cpp_plugin.cc b/src/compiler/cpp_plugin.cc
index a421e51..feb158f 100644
--- a/src/compiler/cpp_plugin.cc
+++ b/src/compiler/cpp_plugin.cc
@@ -63,7 +63,7 @@
       return false;
     }
 
-    std::string file_name = grpc_cpp_generator::StripProto(file->name());
+    std::string file_name = grpc_generator::StripProto(file->name());
 
     // Generate .pb.h
     Insert(context, file_name + ".pb.h", "includes",
diff --git a/src/compiler/generator_helpers.h b/src/compiler/generator_helpers.h
new file mode 100644
index 0000000..0c14bb8
--- /dev/null
+++ b/src/compiler/generator_helpers.h
@@ -0,0 +1,79 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef NET_GRPC_COMPILER_GENERATOR_HELPERS_H__
+#define NET_GRPC_COMPILER_GENERATOR_HELPERS_H__
+
+#include <map>
+#include <string>
+
+namespace grpc_generator {
+
+inline bool StripSuffix(std::string *filename, const std::string &suffix) {
+  if (filename->length() >= suffix.length()) {
+    size_t suffix_pos = filename->length() - suffix.length();
+    if (filename->compare(suffix_pos, std::string::npos, suffix) == 0) {
+      filename->resize(filename->size() - suffix.size());
+      return true;
+    }
+  }
+
+  return false;
+}
+
+inline std::string StripProto(std::string filename) {
+  if (!StripSuffix(&filename, ".protodevel")) {
+    StripSuffix(&filename, ".proto");
+  }
+  return filename;
+}
+
+inline std::string StringReplace(std::string str, const std::string &from,
+                                 const std::string &to) {
+  size_t pos = 0;
+
+  for (;;) {
+    pos = str.find(from, pos);
+    if (pos == std::string::npos) {
+      break;
+    }
+    str.replace(pos, from.length(), to);
+    pos += to.length();
+  }
+
+  return str;
+}
+
+}  // namespace grpc_generator
+
+#endif  // NET_GRPC_COMPILER_GENERATOR_HELPERS_H__
diff --git a/src/compiler/python_generator.cc b/src/compiler/python_generator.cc
index ae4d65d..b8d4aa5 100644
--- a/src/compiler/python_generator.cc
+++ b/src/compiler/python_generator.cc
@@ -40,20 +40,19 @@
 #include <sstream>
 #include <vector>
 
+#include "src/compiler/generator_helpers.h"
 #include "src/compiler/python_generator.h"
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/io/zero_copy_stream_impl_lite.h>
 #include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/descriptor.h>
-#include <google/protobuf/stubs/strutil.h>
 
+using grpc_generator::StringReplace;
+using grpc_generator::StripProto;
 using google::protobuf::Descriptor;
 using google::protobuf::FileDescriptor;
-using google::protobuf::HasSuffixString;
 using google::protobuf::MethodDescriptor;
 using google::protobuf::ServiceDescriptor;
-using google::protobuf::StripString;
-using google::protobuf::StripSuffixString;
 using google::protobuf::io::Printer;
 using google::protobuf::io::StringOutputStream;
 using std::initializer_list;
@@ -197,18 +196,12 @@
   return true;
 }
 
-// TODO(protobuf team): See TODO for `ModuleName`.
-string StripProto(const string& filename) {
-  const char* suffix = HasSuffixString(filename, ".protodevel")
-      ? ".protodevel" : ".proto";
-  return StripSuffixString(filename, suffix);
-}
 // TODO(protobuf team): Export `ModuleName` from protobuf's
 // `src/google/protobuf/compiler/python/python_generator.cc` file.
 string ModuleName(const string& filename) {
   string basename = StripProto(filename);
-  StripString(&basename, "-", '_');
-  StripString(&basename, "/", '.');
+  basename = StringReplace(basename, "-", "_");
+  basename = StringReplace(basename, "/", ".");
   return basename + "_pb2";
 }