diff --git a/b2g/app/moz.build b/b2g/app/moz.build
index 8e9815e4146..e9b2b3afaa5 100644
--- a/b2g/app/moz.build
+++ b/b2g/app/moz.build
@@ -28,11 +28,8 @@ USE_LIBS += [
 for var in ('MOZ_APP_NAME', 'MOZ_APP_VERSION', 'MOZ_UPDATER'):
     DEFINES[var] = CONFIG[var]
 
-GENERATED_INCLUDES += [
-    '/build',
-]
-
 LOCAL_INCLUDES += [
+    '!/build',
     '/toolkit/xre',
     '/xpcom/base',
     '/xpcom/build',
diff --git a/browser/app/moz.build b/browser/app/moz.build
index be76aa2ed27..70b1453e7f5 100644
--- a/browser/app/moz.build
+++ b/browser/app/moz.build
@@ -24,11 +24,8 @@ FINAL_TARGET_FILES.defaults.profile += ['profile/prefs.js']
 
 DEFINES['APP_VERSION'] = CONFIG['MOZ_APP_VERSION']
 
-GENERATED_INCLUDES += [
-    '/build',
-]
-
 LOCAL_INCLUDES += [
+    '!/build',
     '/toolkit/xre',
     '/xpcom/base',
     '/xpcom/build',
diff --git a/chrome/moz.build b/chrome/moz.build
index c4ee0f64f5f..724f39cb32e 100644
--- a/chrome/moz.build
+++ b/chrome/moz.build
@@ -28,11 +28,8 @@ include('/ipc/chromium/chromium-config.mozbuild')
 
 FINAL_LIBRARY = 'xul'
 
-GENERATED_INCLUDES += [
-    '/xpcom',
-]
-
 LOCAL_INCLUDES += [
+    '!/xpcom',
     '/dom/base',
     '/netwerk/base',
     '/netwerk/protocol/res',
diff --git a/dom/bindings/test/moz.build b/dom/bindings/test/moz.build
index 1b81ad3e6e3..eeadfee342d 100644
--- a/dom/bindings/test/moz.build
+++ b/dom/bindings/test/moz.build
@@ -41,8 +41,8 @@ WEBIDL_EXAMPLE_INTERFACES += [
     'TestExampleProxyInterface',
 ]
 
-GENERATED_INCLUDES += ['..']
 LOCAL_INCLUDES += [
+    '!..',
     '/dom/bindings',
     '/js/xpconnect/src',
     '/js/xpconnect/wrappers',
diff --git a/ipc/chromium/chromium-config.mozbuild b/ipc/chromium/chromium-config.mozbuild
index 53bd38348dc..c6f5de45c51 100644
--- a/ipc/chromium/chromium-config.mozbuild
+++ b/ipc/chromium/chromium-config.mozbuild
@@ -5,14 +5,11 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 LOCAL_INCLUDES += [
+    '!/ipc/ipdl/_ipdlheaders',
     '/ipc/chromium/src',
     '/ipc/glue',
 ]
 
-GENERATED_INCLUDES += [
-    '/ipc/ipdl/_ipdlheaders',
-]
-
 if CONFIG['OS_ARCH'] == 'WINNT':
     OS_LIBS += [
         'psapi',
diff --git a/js/src/gdb/moz.build b/js/src/gdb/moz.build
index e385acaafdf..56378f76728 100644
--- a/js/src/gdb/moz.build
+++ b/js/src/gdb/moz.build
@@ -23,8 +23,10 @@ UNIFIED_SOURCES += [
 
 DEFINES['EXPORT_JS_API'] = True
 
-LOCAL_INCLUDES += ['..']
-GENERATED_INCLUDES += ['..']
+LOCAL_INCLUDES += [
+    '!..',
+    '..',
+]
 
 USE_LIBS += [
     'static:js',
diff --git a/js/src/jsapi-tests/moz.build b/js/src/jsapi-tests/moz.build
index 9ad38d24ddb..c62193e2d3a 100644
--- a/js/src/jsapi-tests/moz.build
+++ b/js/src/jsapi-tests/moz.build
@@ -104,8 +104,10 @@ if CONFIG['ENABLE_ION']:
 
 DEFINES['EXPORT_JS_API'] = True
 
-LOCAL_INCLUDES += ['..']
-GENERATED_INCLUDES += ['..']
+LOCAL_INCLUDES += [
+    '!..',
+    '..',
+]
 
 USE_LIBS += [
     'static:js',
diff --git a/js/src/moz.build b/js/src/moz.build
index 146f44e2055..a8f87d8a694 100644
--- a/js/src/moz.build
+++ b/js/src/moz.build
@@ -541,8 +541,8 @@ if CONFIG['JS_HAS_CTYPES']:
         'ctypes/Library.cpp',
     ]
     if not CONFIG['MOZ_NATIVE_FFI']:
-        GENERATED_INCLUDES += [
-            'ctypes/libffi/include',
+        LOCAL_INCLUDES += [
+            '!ctypes/libffi/include',
         ]
 
 if CONFIG['MOZ_VTUNE']:
diff --git a/js/src/shell/moz.build b/js/src/shell/moz.build
index be315c60bbf..bb35df206c3 100644
--- a/js/src/shell/moz.build
+++ b/js/src/shell/moz.build
@@ -24,8 +24,10 @@ if CONFIG['_MSC_VER']:
     # for PGO.
     NO_PGO = True
 
-LOCAL_INCLUDES += ['..']
-GENERATED_INCLUDES += ['..']
+LOCAL_INCLUDES += [
+    '!..',
+    '..',
+]
 
 OS_LIBS += CONFIG['EDITLINE_LIBS']
 OS_LIBS += CONFIG['MOZ_ZLIB_LIBS']
diff --git a/media/webrtc/signaling/test/common.build b/media/webrtc/signaling/test/common.build
index babf9b6c94a..b3bb19f04b5 100644
--- a/media/webrtc/signaling/test/common.build
+++ b/media/webrtc/signaling/test/common.build
@@ -11,10 +11,8 @@ for var in ('MOZILLA_EXTERNAL_LINKAGE', 'USE_FAKE_MEDIA_STREAMS', 'USE_FAKE_PCOB
             'NR_SOCKET_IS_VOID_PTR', 'HAVE_STRDUP'):
     DEFINES[var] = True
 
-GENERATED_INCLUDES += [
-  '/dom/bindings',
-]
 LOCAL_INCLUDES += [
+    '!/dom/bindings',
     '/dom/media/',
     '/ipc/chromium/src',
     '/media/mtransport',
diff --git a/memory/build/moz.build b/memory/build/moz.build
index efeb9c8e427..3595bc663c7 100644
--- a/memory/build/moz.build
+++ b/memory/build/moz.build
@@ -27,7 +27,7 @@ if CONFIG['MOZ_JEMALLOC4']:
     SOURCES += [
         'mozjemalloc_compat.c',
     ]
-    GENERATED_INCLUDES += ['../jemalloc/src/include']
+    LOCAL_INCLUDES += ['!../jemalloc/src/include']
     if CONFIG['_MSC_VER']:
         LOCAL_INCLUDES += ['/memory/jemalloc/src/include/msvc_compat']
         if not CONFIG['HAVE_INTTYPES_H']:
diff --git a/memory/jemalloc/moz.build b/memory/jemalloc/moz.build
index ed05a2d1578..55c84c67979 100644
--- a/memory/jemalloc/moz.build
+++ b/memory/jemalloc/moz.build
@@ -69,8 +69,10 @@ if CONFIG['GNU_CC']:
 
 DEFINES['abort'] = 'moz_abort'
 
-GENERATED_INCLUDES += ['src/include']
-LOCAL_INCLUDES += ['src/include']
+LOCAL_INCLUDES += [
+    '!src/include',
+    'src/include',
+]
 
 # We allow warnings for third-party code that can be updated from upstream.
 ALLOW_COMPILER_WARNINGS = True
diff --git a/memory/mozalloc/moz.build b/memory/mozalloc/moz.build
index 35a3e0c1115..33f599199af 100644
--- a/memory/mozalloc/moz.build
+++ b/memory/mozalloc/moz.build
@@ -36,8 +36,6 @@ FINAL_LIBRARY = 'mozglue'
 # The strndup declaration in string.h is in an ifdef __USE_GNU section
 DEFINES['_GNU_SOURCE'] = True
 
-GENERATED_INCLUDES += ['/xpcom']
-
 DISABLE_STL_WRAPPING = True
 
 DEFINES['IMPL_MFBT'] = True
@@ -45,7 +43,10 @@ DEFINES['IMPL_MFBT'] = True
 if CONFIG['_MSC_VER']:
     DIRS += ['staticruntime']
 
-LOCAL_INCLUDES += ['/memory/build']
+LOCAL_INCLUDES += [
+    '!/xpcom',
+    '/memory/build',
+]
 
 DIST_INSTALL = True
 
diff --git a/memory/mozalloc/staticruntime/moz.build b/memory/mozalloc/staticruntime/moz.build
index e4efea85278..e0a6b9def6a 100644
--- a/memory/mozalloc/staticruntime/moz.build
+++ b/memory/mozalloc/staticruntime/moz.build
@@ -19,7 +19,7 @@ UNIFIED_SOURCES += [
     '../mozalloc_oom.cpp',
 ]
 
-GENERATED_INCLUDES += ['/xpcom']
+LOCAL_INCLUDES += ['!/xpcom']
 
 DISABLE_STL_WRAPPING = True
 
diff --git a/memory/replace/jemalloc/moz.build b/memory/replace/jemalloc/moz.build
index 1918de4763e..7518f245101 100644
--- a/memory/replace/jemalloc/moz.build
+++ b/memory/replace/jemalloc/moz.build
@@ -26,7 +26,7 @@ USE_LIBS += [
 DEFINES['MOZ_JEMALLOC4'] = True
 DEFINES['MOZ_REPLACE_JEMALLOC'] = True
 
-GENERATED_INCLUDES += ['../../jemalloc/src/include']
+LOCAL_INCLUDES += ['!../../jemalloc/src/include']
 if CONFIG['_MSC_VER']:
     LOCAL_INCLUDES += ['/memory/jemalloc/src/include/msvc_compat']
     if not CONFIG['HAVE_INTTYPES_H']:
diff --git a/mozglue/android/moz.build b/mozglue/android/moz.build
index 71d87af80af..88cf3701149 100644
--- a/mozglue/android/moz.build
+++ b/mozglue/android/moz.build
@@ -26,8 +26,8 @@ for var in ('ANDROID_PACKAGE_NAME',
 if CONFIG['MOZ_FOLD_LIBS']:
     DEFINES['MOZ_FOLD_LIBS'] = True
 
-GENERATED_INCLUDES += ['/build']
 LOCAL_INCLUDES += [
+    '!/build',
     '../linker',
     '/db/sqlite3/src',
     '/ipc/chromium/src',
diff --git a/netwerk/build/moz.build b/netwerk/build/moz.build
index e9ca940fa32..a3ba3c7ceac 100644
--- a/netwerk/build/moz.build
+++ b/netwerk/build/moz.build
@@ -73,6 +73,6 @@ if CONFIG['MOZ_RTSP']:
         '/netwerk/protocol/rtsp',
     ]
 
-GENERATED_INCLUDES += [
-    '/netwerk/dns',
+LOCAL_INCLUDES += [
+    '!/netwerk/dns',
 ]
diff --git a/python/mozbuild/mozbuild/backend/recursivemake.py b/python/mozbuild/mozbuild/backend/recursivemake.py
index c923d3f61fe..ee8962ef0fd 100644
--- a/python/mozbuild/mozbuild/backend/recursivemake.py
+++ b/python/mozbuild/mozbuild/backend/recursivemake.py
@@ -47,7 +47,6 @@ from ..frontend.data import (
     ExternalLibrary,
     FinalTargetFiles,
     GeneratedFile,
-    GeneratedInclude,
     GeneratedSources,
     HostDefines,
     HostLibrary,
@@ -561,9 +560,6 @@ class RecursiveMakeBackend(CommonBackend):
         elif isinstance(obj, LocalInclude):
             self._process_local_include(obj.path, backend_file)
 
-        elif isinstance(obj, GeneratedInclude):
-            self._process_generated_include(obj.path, backend_file)
-
         elif isinstance(obj, PerSourceFlag):
             self._process_per_source_flag(obj, backend_file)
 
@@ -1245,13 +1241,6 @@ INSTALL_TARGETS += %(prefix)s
         else:
             backend_file.write('LOCAL_INCLUDES += -I%s\n' % path)
 
-    def _process_generated_include(self, generated_include, backend_file):
-        if generated_include.startswith('/'):
-            path = self.environment.topobjdir.replace('\\', '/')
-        else:
-            path = ''
-        backend_file.write('LOCAL_INCLUDES += -I%s%s\n' % (path, generated_include))
-
     def _process_per_source_flag(self, per_source_flag, backend_file):
         for flag in per_source_flag.flags:
             backend_file.write('%s_FLAGS += %s\n' % (mozpath.basename(per_source_flag.file_name), flag))
diff --git a/python/mozbuild/mozbuild/frontend/context.py b/python/mozbuild/mozbuild/frontend/context.py
index 6bb747b4fef..34fec486b83 100644
--- a/python/mozbuild/mozbuild/frontend/context.py
+++ b/python/mozbuild/mozbuild/frontend/context.py
@@ -1077,11 +1077,6 @@ VARIABLES = {
         This variable only has an effect when building with MSVC.
         """, None),
 
-    'GENERATED_INCLUDES' : (StrictOrderingOnAppendList, list,
-        """Directories generated by the build system to be searched for include
-        files by the compiler.
-        """, None),
-
     'HOST_SOURCES': (ContextDerivedTypedList(SourcePath, StrictOrderingOnAppendList), list,
         """Source code files to compile with the host compiler.
 
@@ -1169,7 +1164,7 @@ VARIABLES = {
         """List of system libraries for host programs and libraries.
         """, None),
 
-    'LOCAL_INCLUDES': (ContextDerivedTypedList(SourcePath, StrictOrderingOnAppendList), list,
+    'LOCAL_INCLUDES': (ContextDerivedTypedList(Path, StrictOrderingOnAppendList), list,
         """Additional directories to be searched for include files by the compiler.
         """, None),
 
@@ -2110,6 +2105,16 @@ DEPRECATION_HINTS = {
 
             GENERATED_SOURCES += [ 'foo.cpp']
     ''',
+
+    'GENERATED_INCLUDES': '''
+        Please use
+
+            LOCAL_INCLUDES += [ '!foo' ]
+
+        instead of
+
+            GENERATED_INCLUDES += [ 'foo' ]
+    ''',
 }
 
 # Make sure that all template variables have a deprecation hint.
diff --git a/python/mozbuild/mozbuild/frontend/data.py b/python/mozbuild/mozbuild/frontend/data.py
index 4352c96db70..358b94c7499 100644
--- a/python/mozbuild/mozbuild/frontend/data.py
+++ b/python/mozbuild/mozbuild/frontend/data.py
@@ -648,18 +648,6 @@ class LocalInclude(ContextDerived):
 
         self.path = path
 
-class GeneratedInclude(ContextDerived):
-    """Describes an individual generated include path."""
-
-    __slots__ = (
-        'path',
-    )
-
-    def __init__(self, context, path):
-        ContextDerived.__init__(self, context)
-
-        self.path = path
-
 
 class PerSourceFlag(ContextDerived):
     """Describes compiler flags specified for individual source files."""
diff --git a/python/mozbuild/mozbuild/frontend/emitter.py b/python/mozbuild/mozbuild/frontend/emitter.py
index b6dd7a81b38..64b33ba0a6c 100644
--- a/python/mozbuild/mozbuild/frontend/emitter.py
+++ b/python/mozbuild/mozbuild/frontend/emitter.py
@@ -38,7 +38,6 @@ from .data import (
     FinalTargetFiles,
     GeneratedEventWebIDLFile,
     GeneratedFile,
-    GeneratedInclude,
     GeneratedSources,
     GeneratedWebIDLFile,
     ExampleWebIDLInterface,
@@ -659,7 +658,6 @@ class TreeMetadataEmitter(LoggingMixin):
             ('GENERATED_EVENTS_WEBIDL_FILES', GeneratedEventWebIDLFile),
             ('GENERATED_WEBIDL_FILES', GeneratedWebIDLFile),
             ('IPDL_SOURCES', IPDLFile),
-            ('GENERATED_INCLUDES', GeneratedInclude),
             ('PREPROCESSED_TEST_WEBIDL_FILES', PreprocessedTestWebIDLFile),
             ('PREPROCESSED_WEBIDL_FILES', PreprocessedWebIDLFile),
             ('TEST_WEBIDL_FILES', TestWebIDLFile),
@@ -671,7 +669,8 @@ class TreeMetadataEmitter(LoggingMixin):
                 yield klass(context, name)
 
         for local_include in context.get('LOCAL_INCLUDES', []):
-            if not os.path.exists(local_include.full_path):
+            if (not isinstance(local_include, ObjDirPath) and
+                    not os.path.exists(local_include.full_path)):
                 raise SandboxValidationError('Path specified in LOCAL_INCLUDES '
                     'does not exist: %s (resolved to %s)' % (local_include,
                     local_include.full_path), context)
diff --git a/python/mozbuild/mozbuild/frontend/gyp_reader.py b/python/mozbuild/mozbuild/frontend/gyp_reader.py
index 4b29ba6a628..84724d3b72f 100644
--- a/python/mozbuild/mozbuild/frontend/gyp_reader.py
+++ b/python/mozbuild/mozbuild/frontend/gyp_reader.py
@@ -221,10 +221,10 @@ def read_from_gyp(config, path, output, vars, non_unified_sources = set()):
         # Add some features to all contexts. Put here in case LOCAL_INCLUDES
         # order matters.
         context['LOCAL_INCLUDES'] += [
+            '!/ipc/ipdl/_ipdlheaders',
             '/ipc/chromium/src',
             '/ipc/glue',
         ]
-        context['GENERATED_INCLUDES'] += ['/ipc/ipdl/_ipdlheaders']
         # These get set via VC project file settings for normal GYP builds.
         if config.substs['OS_TARGET'] == 'WINNT':
             context['DEFINES']['UNICODE'] = True
diff --git a/python/mozbuild/mozbuild/test/backend/data/generated_includes/moz.build b/python/mozbuild/mozbuild/test/backend/data/generated_includes/moz.build
index b4c71617b90..876a842eeb3 100644
--- a/python/mozbuild/mozbuild/test/backend/data/generated_includes/moz.build
+++ b/python/mozbuild/mozbuild/test/backend/data/generated_includes/moz.build
@@ -2,4 +2,4 @@
 # Any copyright is dedicated to the Public Domain.
 # http://creativecommons.org/publicdomain/zero/1.0/
 
-GENERATED_INCLUDES += ['/bar/baz', 'foo']
+LOCAL_INCLUDES += ['!/bar/baz', '!foo']
diff --git a/python/mozbuild/mozbuild/test/backend/test_recursivemake.py b/python/mozbuild/mozbuild/test/backend/test_recursivemake.py
index 6a47de225c1..ff6767e49f0 100644
--- a/python/mozbuild/mozbuild/test/backend/test_recursivemake.py
+++ b/python/mozbuild/mozbuild/test/backend/test_recursivemake.py
@@ -627,7 +627,7 @@ class TestRecursiveMakeBackend(BackendTester):
         topobjdir = env.topobjdir.replace('\\', '/')
 
         expected = [
-            'LOCAL_INCLUDES += -I%s/bar/baz' % topobjdir,
+            'LOCAL_INCLUDES += -Ibar/baz',
             'LOCAL_INCLUDES += -Ifoo',
         ]
 
diff --git a/python/mozbuild/mozbuild/test/frontend/data/generated_includes/moz.build b/python/mozbuild/mozbuild/test/frontend/data/generated_includes/moz.build
index b4c71617b90..876a842eeb3 100644
--- a/python/mozbuild/mozbuild/test/frontend/data/generated_includes/moz.build
+++ b/python/mozbuild/mozbuild/test/frontend/data/generated_includes/moz.build
@@ -2,4 +2,4 @@
 # Any copyright is dedicated to the Public Domain.
 # http://creativecommons.org/publicdomain/zero/1.0/
 
-GENERATED_INCLUDES += ['/bar/baz', 'foo']
+LOCAL_INCLUDES += ['!/bar/baz', '!foo']
diff --git a/python/mozbuild/mozbuild/test/frontend/test_emitter.py b/python/mozbuild/mozbuild/test/frontend/test_emitter.py
index b29571ddb8c..4cd0fd14947 100644
--- a/python/mozbuild/mozbuild/test/frontend/test_emitter.py
+++ b/python/mozbuild/mozbuild/test/frontend/test_emitter.py
@@ -18,7 +18,6 @@ from mozbuild.frontend.data import (
     DirectoryTraversal,
     Exports,
     GeneratedFile,
-    GeneratedInclude,
     GeneratedSources,
     HostDefines,
     HostSources,
@@ -661,10 +660,19 @@ class TestEmitterBasic(unittest.TestCase):
         reader = self.reader('generated_includes')
         objs = self.read_topsrcdir(reader)
 
-        generated_includes = [o.path for o in objs if isinstance(o, GeneratedInclude)]
+        generated_includes = [o.path for o in objs if isinstance(o, LocalInclude)]
         expected = [
-            '/bar/baz',
-            'foo',
+            '!/bar/baz',
+            '!foo',
+        ]
+
+        self.assertEqual(generated_includes, expected)
+
+        generated_includes = [o.path.full_path
+                              for o in objs if isinstance(o, LocalInclude)]
+        expected = [
+            mozpath.join(reader.config.topobjdir, 'bar/baz'),
+            mozpath.join(reader.config.topobjdir, 'foo'),
         ]
 
         self.assertEqual(generated_includes, expected)
diff --git a/security/manager/pki/moz.build b/security/manager/pki/moz.build
index a29e6ca6785..826c7b4dbbb 100644
--- a/security/manager/pki/moz.build
+++ b/security/manager/pki/moz.build
@@ -19,8 +19,8 @@ UNIFIED_SOURCES += [
     'nsPKIModule.cpp',
 ]
 
-GENERATED_INCLUDES += [
-    '/dist/public/nss',
+LOCAL_INCLUDES += [
+    '!/dist/public/nss',
 ]
 
 FINAL_LIBRARY = 'xul'
diff --git a/security/manager/ssl/moz.build b/security/manager/ssl/moz.build
index 59a47bca666..66639347aed 100644
--- a/security/manager/ssl/moz.build
+++ b/security/manager/ssl/moz.build
@@ -161,8 +161,8 @@ LOCAL_INCLUDES += [
     '/security/pkix/include',
 ]
 
-GENERATED_INCLUDES += [
-    '/dist/public/nss',
+LOCAL_INCLUDES += [
+    '!/dist/public/nss',
 ]
 
 if CONFIG['NSS_DISABLE_DBM']:
diff --git a/webapprt/gtk/moz.build b/webapprt/gtk/moz.build
index 61faeac5a8a..f9b7c40be5d 100644
--- a/webapprt/gtk/moz.build
+++ b/webapprt/gtk/moz.build
@@ -12,8 +12,8 @@ SOURCES += [
     'webapprt.cpp',
 ]
 
-GENERATED_INCLUDES += ['/build']
 LOCAL_INCLUDES += [
+    '!/build',
     '/toolkit/xre',
     '/xpcom/base',
     '/xpcom/build',
diff --git a/webapprt/mac/moz.build b/webapprt/mac/moz.build
index f7ee46a0bfa..d638864ea12 100644
--- a/webapprt/mac/moz.build
+++ b/webapprt/mac/moz.build
@@ -15,8 +15,8 @@ SOURCES += [
 
 DEFINES['XPCOM_GLUE'] = True
 
-GENERATED_INCLUDES += ['/build']
 LOCAL_INCLUDES += [
+    '!/build',
     '/toolkit/xre',
     '/xpcom/base',
     '/xpcom/build',
diff --git a/webapprt/win/moz.build b/webapprt/win/moz.build
index 9c159253e53..fad25344c2b 100644
--- a/webapprt/win/moz.build
+++ b/webapprt/win/moz.build
@@ -20,8 +20,8 @@ DEFINES['APP_VERSION'] = CONFIG['FIREFOX_VERSION']
 # Statically link against the CRT
 USE_STATIC_LIBS = True
 
-GENERATED_INCLUDES += ['/build']
 LOCAL_INCLUDES += [
+    '!/build',
     '/toolkit/xre',
     '/xpcom/base',
     '/xpcom/build',
diff --git a/xpcom/build/moz.build b/xpcom/build/moz.build
index f6a5800e384..b524063fccd 100644
--- a/xpcom/build/moz.build
+++ b/xpcom/build/moz.build
@@ -79,8 +79,8 @@ FINAL_LIBRARY = 'xul'
 DEFINES['_IMPL_NS_STRINGAPI'] = True
 DEFINES['OMNIJAR_NAME'] = CONFIG['OMNIJAR_NAME']
 
-GENERATED_INCLUDES += ['..']
 LOCAL_INCLUDES += [
+    '!..',
     '../base',
     '../components',
     '../ds',
diff --git a/xpcom/components/moz.build b/xpcom/components/moz.build
index 03a057f8da2..7b2ebef4559 100644
--- a/xpcom/components/moz.build
+++ b/xpcom/components/moz.build
@@ -44,8 +44,8 @@ if CONFIG['GNU_CXX']:
 
 FINAL_LIBRARY = 'xul'
 
-GENERATED_INCLUDES += ['..']
 LOCAL_INCLUDES += [
+    '!..',
     '../base',
     '../build',
     '../ds',
diff --git a/xpcom/io/moz.build b/xpcom/io/moz.build
index f05e7850c02..45732e4cbf2 100644
--- a/xpcom/io/moz.build
+++ b/xpcom/io/moz.build
@@ -134,4 +134,4 @@ FINAL_LIBRARY = 'xul'
 if CONFIG['OS_ARCH'] == 'Linux' and 'lib64' in CONFIG['libdir']:
     DEFINES['HAVE_USR_LIB64_DIR'] = True
 
-GENERATED_INCLUDES += ['..']
+LOCAL_INCLUDES += ['!..']
diff --git a/xpcom/libxpcomrt/moz.build b/xpcom/libxpcomrt/moz.build
index c2e0884ab08..cb58cc5a727 100644
--- a/xpcom/libxpcomrt/moz.build
+++ b/xpcom/libxpcomrt/moz.build
@@ -119,8 +119,8 @@ if CONFIG['INTEL_ARCHITECTURE']:
     sse_string_path = '/xpcom/string/nsUTF8UtilsSSE2.cpp'
     SOURCES[sse_string_path].flags += CONFIG['SSE2_FLAGS']
 
-GENERATED_INCLUDES += ['..']
 LOCAL_INCLUDES = [
+    '!..',
     '../base',
     '../build',
     '../components',
diff --git a/xpcom/typelib/xpt/moz.build b/xpcom/typelib/xpt/moz.build
index c238a4b6fff..e798c4501cc 100644
--- a/xpcom/typelib/xpt/moz.build
+++ b/xpcom/typelib/xpt/moz.build
@@ -22,8 +22,10 @@ EXPORTS += [
 
 FINAL_LIBRARY = 'xul'
 
-GENERATED_INCLUDES += ['/xpcom/base']
-LOCAL_INCLUDES += ['/xpcom/base']
+LOCAL_INCLUDES += [
+    '!/xpcom/base',
+    '/xpcom/base',
+]
 
 if CONFIG['_MSC_VER']:
     CFLAGS += ['-Zl']