diff --git a/include/gtest/gtest-param-test.h b/include/gtest/gtest-param-test.h
index 6c8622a6..c0c85e3e 100644
--- a/include/gtest/gtest-param-test.h
+++ b/include/gtest/gtest-param-test.h
@@ -152,12 +152,15 @@ INSTANTIATE_TEST_CASE_P(AnotherInstantiationName, FooTest, ValuesIn(pets));
 #include <utility>
 #endif
 
-#if GTEST_HAS_PARAM_TEST
-
+// scripts/fuse_gtest.py depends on gtest's own header being #included
+// *unconditionally*.  Therefore these #includes cannot be moved
+// inside #if GTEST_HAS_PARAM_TEST.
 #include <gtest/internal/gtest-internal.h>
 #include <gtest/internal/gtest-param-util.h>
 #include <gtest/internal/gtest-param-util-generated.h>
 
+#if GTEST_HAS_PARAM_TEST
+
 namespace testing {
 
 // Functions producing parameter generators.
diff --git a/include/gtest/gtest-param-test.h.pump b/include/gtest/gtest-param-test.h.pump
index c761f125..a2311882 100644
--- a/include/gtest/gtest-param-test.h.pump
+++ b/include/gtest/gtest-param-test.h.pump
@@ -52,7 +52,7 @@ $var maxtuple = 10  $$ Maximum number of Combine arguments we want to support.
 // class. It must be derived from testing::TestWithParam<T>, where T is
 // the type of your parameter values. TestWithParam<T> is itself derived
 // from testing::Test. T can be any copyable type. If it's a raw pointer,
-// you are responsible for managing the lifespan of the pointed values. 
+// you are responsible for managing the lifespan of the pointed values.
 
 class FooTest : public ::testing::TestWithParam<const char*> {
   // You can implement all the usual class fixture members here.
@@ -60,7 +60,7 @@ class FooTest : public ::testing::TestWithParam<const char*> {
 
 // Then, use the TEST_P macro to define as many parameterized tests
 // for this fixture as you want. The _P suffix is for "parameterized"
-// or "pattern", whichever you prefer to think. 
+// or "pattern", whichever you prefer to think.
 
 TEST_P(FooTest, DoesBlah) {
   // Inside a test, access the test parameter with the GetParam() method
@@ -124,7 +124,7 @@ const char* pets[] = {"cat", "dog"};
 INSTANTIATE_TEST_CASE_P(AnotherInstantiationName, FooTest, ValuesIn(pets));
 
 // The tests from the instantiation above will have these names:
-// 
+//
 //    * AnotherInstantiationName/FooTest.DoesBlah/0 for "cat"
 //    * AnotherInstantiationName/FooTest.DoesBlah/1 for "dog"
 //    * AnotherInstantiationName/FooTest.HasBlahBlah/0 for "cat"
@@ -147,17 +147,21 @@ INSTANTIATE_TEST_CASE_P(AnotherInstantiationName, FooTest, ValuesIn(pets));
 
 #endif  // 0
 
-
-#include <utility>
-
 #include <gtest/internal/gtest-port.h>
 
-#if GTEST_HAS_PARAM_TEST
+#if !GTEST_OS_SYMBIAN
+#include <utility>
+#endif
 
+// scripts/fuse_gtest.py depends on gtest's own header being #included
+// *unconditionally*.  Therefore these #includes cannot be moved
+// inside #if GTEST_HAS_PARAM_TEST.
 #include <gtest/internal/gtest-internal.h>
 #include <gtest/internal/gtest-param-util.h>
 #include <gtest/internal/gtest-param-util-generated.h>
 
+#if GTEST_HAS_PARAM_TEST
+
 namespace testing {
 
 // Functions producing parameter generators.
diff --git a/include/gtest/internal/gtest-param-util-generated.h b/include/gtest/internal/gtest-param-util-generated.h
index 1358c329..04f4c3ac 100644
--- a/include/gtest/internal/gtest-param-util-generated.h
+++ b/include/gtest/internal/gtest-param-util-generated.h
@@ -44,12 +44,14 @@
 #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_
 #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_
 
+// scripts/fuse_gtest.py depends on gtest's own header being #included
+// *unconditionally*.  Therefore these #includes cannot be moved
+// inside #if GTEST_HAS_PARAM_TEST.
+#include <gtest/internal/gtest-param-util.h>
 #include <gtest/internal/gtest-port.h>
 
 #if GTEST_HAS_PARAM_TEST
 
-#include <gtest/internal/gtest-param-util.h>
-
 namespace testing {
 namespace internal {
 
diff --git a/include/gtest/internal/gtest-param-util-generated.h.pump b/include/gtest/internal/gtest-param-util-generated.h.pump
index 2da2872a..8cfcf0bf 100644
--- a/include/gtest/internal/gtest-param-util-generated.h.pump
+++ b/include/gtest/internal/gtest-param-util-generated.h.pump
@@ -45,12 +45,14 @@ $var maxtuple = 10  $$ Maximum number of Combine arguments we want to support.
 #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_
 #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_
 
+// scripts/fuse_gtest.py depends on gtest's own header being #included
+// *unconditionally*.  Therefore these #includes cannot be moved
+// inside #if GTEST_HAS_PARAM_TEST.
+#include <gtest/internal/gtest-param-util.h>
 #include <gtest/internal/gtest-port.h>
 
 #if GTEST_HAS_PARAM_TEST
 
-#include <gtest/internal/gtest-param-util.h>
-
 namespace testing {
 namespace internal {
 
diff --git a/include/gtest/internal/gtest-param-util.h b/include/gtest/internal/gtest-param-util.h
index dcc54947..19295d77 100644
--- a/include/gtest/internal/gtest-param-util.h
+++ b/include/gtest/internal/gtest-param-util.h
@@ -38,17 +38,19 @@
 #include <utility>
 #include <vector>
 
+// scripts/fuse_gtest.py depends on gtest's own header being #included
+// *unconditionally*.  Therefore these #includes cannot be moved
+// inside #if GTEST_HAS_PARAM_TEST.
+#include <gtest/internal/gtest-internal.h>
+#include <gtest/internal/gtest-linked_ptr.h>
 #include <gtest/internal/gtest-port.h>
 
 #if GTEST_HAS_PARAM_TEST
 
 #if GTEST_HAS_RTTI
-#include <typeinfo>
+#include <typeinfo>  // NOLINT
 #endif  // GTEST_HAS_RTTI
 
-#include <gtest/internal/gtest-linked_ptr.h>
-#include <gtest/internal/gtest-internal.h>
-
 namespace testing {
 namespace internal {
 
diff --git a/src/gtest-all.cc b/src/gtest-all.cc
index a67ea0fa..fe34765f 100644
--- a/src/gtest-all.cc
+++ b/src/gtest-all.cc
@@ -33,6 +33,12 @@
 //
 // Sometimes it's desirable to build Google Test by compiling a single file.
 // This file serves this purpose.
+
+// This line ensures that gtest.h can be compiled on its own, even
+// when it's fused.
+#include <gtest/gtest.h>
+
+// The following lines pull in the real gtest *.cc files.
 #include "src/gtest.cc"
 #include "src/gtest-death-test.cc"
 #include "src/gtest-filepath.cc"