diff --git a/adb/adb.cpp b/adb/adb.cpp
index 1ec145b25c..b6e943f6ee 100644
--- a/adb/adb.cpp
+++ b/adb/adb.cpp
@@ -44,8 +44,6 @@
 #include <android-base/parsenetaddress.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
-#include <build/version.h>
-#include <platform_tools_version.h>
 
 #include "adb_auth.h"
 #include "adb_io.h"
@@ -66,10 +64,10 @@ std::string adb_version() {
     // Don't change the format of this --- it's parsed by ddmlib.
     return android::base::StringPrintf(
         "Android Debug Bridge version %d.%d.%d\n"
-        "Version %s-%s\n"
+        "Version %s\n"
         "Installed as %s\n",
         ADB_VERSION_MAJOR, ADB_VERSION_MINOR, ADB_SERVER_VERSION,
-        PLATFORM_TOOLS_VERSION, android::build::GetBuildNumber().c_str(),
+        PLATFORM_TOOLS_VERSION,
         android::base::GetExecutablePath().c_str());
 }
 
diff --git a/adb/client/main.cpp b/adb/client/main.cpp
index 0c5c28f1b3..b6a1281521 100644
--- a/adb/client/main.cpp
+++ b/adb/client/main.cpp
@@ -118,10 +118,6 @@ int adb_server_main(int is_daemon, const std::string& socket_spec, int ack_reply
     init_transport_registration();
     init_reconnect_handler();
 
-    if (!getenv("ADB_MDNS") || strcmp(getenv("ADB_MDNS"), "0") != 0) {
-        init_mdns_transport_discovery();
-    }
-
     if (!getenv("ADB_USB") || strcmp(getenv("ADB_USB"), "0") != 0) {
         usb_init();
     } else {
diff --git a/adb/client/usb_libusb.cpp b/adb/client/usb_libusb.cpp
index 53f01a0ce5..b4c3aadc28 100644
--- a/adb/client/usb_libusb.cpp
+++ b/adb/client/usb_libusb.cpp
@@ -30,7 +30,7 @@
 #include <thread>
 #include <unordered_map>
 
-#include <libusb/libusb.h>
+#include <libusb-1.0/libusb.h>
 
 #include <android-base/file.h>
 #include <android-base/logging.h>
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 2fe3b1a9e0..a61b221ce3 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -59,10 +59,8 @@
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <android-base/unique_fd.h>
-#include <build/version.h>
 #include <libavb/libavb.h>
 #include <liblp/liblp.h>
-#include <platform_tools_version.h>
 #include <sparse/sparse.h>
 #include <ziparchive/zip_archive.h>
 
@@ -1783,7 +1781,7 @@ int FastBootTool::Main(int argc, char* argv[]) {
                 setvbuf(stdout, nullptr, _IONBF, 0);
                 setvbuf(stderr, nullptr, _IONBF, 0);
             } else if (name == "version") {
-                fprintf(stdout, "fastboot version %s-%s\n", PLATFORM_TOOLS_VERSION, android::build::GetBuildNumber().c_str());
+                fprintf(stdout, "fastboot version %s\n", PLATFORM_TOOLS_VERSION);
                 fprintf(stdout, "Installed as %s\n", android::base::GetExecutablePath().c_str());
                 return 0;
 #if !defined(_WIN32)
diff --git a/fastboot/fs.cpp b/fastboot/fs.cpp
index 8c0aa6bf4e..3ad5b53568 100644
--- a/fastboot/fs.cpp
+++ b/fastboot/fs.cpp
@@ -117,7 +117,7 @@ static int generate_ext4_image(const char* fileName, long long partSize,
     static constexpr int block_size = 4096;
     const std::string exec_dir = android::base::GetExecutableDirectory();
 
-    const std::string mke2fs_path = exec_dir + "/mke2fs";
+    const std::string mke2fs_path = exec_dir + "/mke2fs.android";
     std::vector<const char*> mke2fs_args = {mke2fs_path.c_str(), "-t", "ext4", "-b"};
 
     std::string block_size_str = std::to_string(block_size);
diff --git a/libcutils/include/cutils/threads.h b/libcutils/include/cutils/threads.h
index ba4846e33b..f3fccc4895 100644
--- a/libcutils/include/cutils/threads.h
+++ b/libcutils/include/cutils/threads.h
@@ -33,8 +33,6 @@ extern "C" {
 // Deprecated: use android::base::GetThreadId instead, which doesn't truncate on Mac/Windows.
 //
 
-extern pid_t gettid();
-
 //
 // Deprecated: use `_Thread_local` in C or `thread_local` in C++.
 //