RELNOTES[INC]: The startup flag --blaze_cpu is removed,

--
MOS_MIGRATED_REVID=113556731
diff --git a/src/main/cpp/blaze.cc b/src/main/cpp/blaze.cc
index 673b1b9..667f626 100644
--- a/src/main/cpp/blaze.cc
+++ b/src/main/cpp/blaze.cc
@@ -265,9 +265,6 @@
   if (!globals->options.skyframe.empty()) {
     result.push_back("--skyframe=" + globals->options.skyframe);
   }
-  if (globals->options.blaze_cpu) {
-    result.push_back("--blaze_cpu=true");
-  }
 
   if (globals->options.allow_configurable_attributes) {
     result.push_back("--allow_configurable_attributes");
diff --git a/src/main/cpp/blaze_startup_options.cc b/src/main/cpp/blaze_startup_options.cc
index 697583d..6da01ce 100644
--- a/src/main/cpp/blaze_startup_options.cc
+++ b/src/main/cpp/blaze_startup_options.cc
@@ -52,7 +52,6 @@
       io_nice_level(rhs.io_nice_level),
       max_idle_secs(rhs.max_idle_secs),
       skyframe(rhs.skyframe),
-      blaze_cpu(rhs.blaze_cpu),
       watchfs(rhs.watchfs),
       allow_configurable_attributes(rhs.allow_configurable_attributes),
       option_sources(rhs.option_sources),
diff --git a/src/main/cpp/blaze_startup_options.h b/src/main/cpp/blaze_startup_options.h
index f635db4..024be74 100644
--- a/src/main/cpp/blaze_startup_options.h
+++ b/src/main/cpp/blaze_startup_options.h
@@ -148,8 +148,6 @@
 
   string skyframe;
 
-  bool blaze_cpu;
-
   // If true, Blaze will listen to OS-level file change notifications.
   bool watchfs;
 
diff --git a/src/main/cpp/blaze_startup_options_common.cc b/src/main/cpp/blaze_startup_options_common.cc
index 765289c..c484316 100644
--- a/src/main/cpp/blaze_startup_options_common.cc
+++ b/src/main/cpp/blaze_startup_options_common.cc
@@ -44,7 +44,6 @@
   host_javabase = "";
   batch = false;
   batch_cpu_scheduling = false;
-  blaze_cpu = false;
   allow_configurable_attributes = false;
   fatal_event_bus_exceptions = false;
   io_nice_level = -1;
@@ -81,7 +80,6 @@
   lhs->io_nice_level = rhs.io_nice_level;
   lhs->max_idle_secs = rhs.max_idle_secs;
   lhs->skyframe = rhs.skyframe;
-  lhs->blaze_cpu = rhs.blaze_cpu;
   lhs->webstatus_port = rhs.webstatus_port;
   lhs->watchfs = rhs.watchfs;
   lhs->allow_configurable_attributes = rhs.allow_configurable_attributes;
@@ -129,20 +127,14 @@
     option_sources["host_jvm_profile"] = rcfile;
   } else if ((value = GetUnaryOption(arg, next_arg,
                                      "--host_javabase")) != NULL) {
-    // TODO(bazel-team): Consider examining the javabase, and in case of
-    // architecture mismatch, treating this option like --blaze_cpu
-    // and re-execing.
+    // TODO(bazel-team): Consider examining the javabase and re-execing in case
+    // of architecture mismatch.
     host_javabase = MakeAbsolute(value);
     option_sources["host_javabase"] = rcfile;
   } else if ((value = GetUnaryOption(arg, next_arg, "--host_jvm_args")) !=
              NULL) {
     host_jvm_args.push_back(value);
     option_sources["host_jvm_args"] = rcfile;  // NB: This is incorrect
-  } else if ((value = GetUnaryOption(arg, next_arg, "--blaze_cpu")) != NULL) {
-    blaze_cpu = true;
-    option_sources["blaze_cpu"] = rcfile;
-    fprintf(stderr, "WARNING: The --blaze_cpu startup option is now ignored "
-            "and will be removed in a future release\n");
   } else if ((value = GetUnaryOption(arg, next_arg, "--bazelrc")) != NULL) {
     if (rcfile != "") {
       *error = "Can't specify --bazelrc in the .bazelrc file.";
diff --git a/src/main/java/com/google/devtools/build/lib/runtime/BlazeServerStartupOptions.java b/src/main/java/com/google/devtools/build/lib/runtime/BlazeServerStartupOptions.java
index 4a7de87..1430935 100644
--- a/src/main/java/com/google/devtools/build/lib/runtime/BlazeServerStartupOptions.java
+++ b/src/main/java/com/google/devtools/build/lib/runtime/BlazeServerStartupOptions.java
@@ -206,12 +206,6 @@
           + "is not read.")
   public boolean masterBlazerc;
 
-  @Option(name = "blaze_cpu",
-      defaultValue = "",
-      category = "undocumented",
-      help = "Unused.")
-  public String unusedBlazeCpu;
-
   @Option(name = "skyframe",
       deprecationWarning = "skyframe is now a no-op and will be removed in an upcoming Blaze "
           + "release",