diff --git a/webrtc/base/linux.cc b/webrtc/base/linux.cc
index b958543532..9800f471d5 100644
--- a/webrtc/base/linux.cc
+++ b/webrtc/base/linux.cc
@@ -233,7 +233,7 @@ bool ConfigParser::ParseLine(std::string* key, std::string* value) {
   return true;
 }
 
-#if !defined(WEBRTC_CHROMIUM_BUILDs)
+#if !defined(WEBRTC_CHROMIUM_BUILD)
 static bool ExpectLineFromStream(FileStream* stream,
                                  std::string* out) {
   StreamResult res = stream->ReadLine(out);
diff --git a/webrtc/base/linux.h b/webrtc/base/linux.h
index 8f601878f6..dd863ba495 100644
--- a/webrtc/base/linux.h
+++ b/webrtc/base/linux.h
@@ -104,7 +104,7 @@ class ProcCpuInfo {
   ConfigParser::MapVector sections_;
 };
 
-#if !defined(WEBRTC_CHROMIUM_BUILDs)
+#if !defined(WEBRTC_CHROMIUM_BUILD)
 // Builds a string containing the info from lsb_release on a single line.
 std::string ReadLinuxLsbRelease();
 #endif
diff --git a/webrtc/base/linux_unittest.cc b/webrtc/base/linux_unittest.cc
index c65ef071c5..19401b439a 100644
--- a/webrtc/base/linux_unittest.cc
+++ b/webrtc/base/linux_unittest.cc
@@ -88,7 +88,7 @@ TEST(ConfigParser, ParseConfig) {
   EXPECT_EQ(true, parser.Parse(&key_val_pairs));
 }
 
-#if !defined(WEBRTC_CHROMIUM_BUILDs)
+#if !defined(WEBRTC_CHROMIUM_BUILD)
 TEST(ReadLinuxLsbRelease, ReturnsSomething) {
   std::string str = ReadLinuxLsbRelease();
   // ChromeOS don't have lsb_release