diff --git a/adb/Android.mk b/adb/Android.mk
index 0124b26..7977009 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -15,9 +15,8 @@
 
 ADB_COMMON_CFLAGS := \
     -Wall -Wextra -Werror \
-    -Wformat-nonliteral \
-    -Wno-missing-field-initializers \
     -Wno-unused-parameter \
+    -Wno-missing-field-initializers \
     -DADB_REVISION='"$(adb_version)"' \
 
 # libadb
diff --git a/adb/adb.h b/adb/adb.h
index 5441d79..1be83d7 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -277,8 +277,8 @@
 void connect_to_remote(asocket *s, const char *destination);
 void connect_to_smartsocket(asocket *s);
 
-void fatal(const char *fmt, ...) ATTRIBUTE_FORMAT(1, 2);
-void fatal_errno(const char *fmt, ...) ATTRIBUTE_FORMAT(1, 2);
+void fatal(const char *fmt, ...);
+void fatal_errno(const char *fmt, ...);
 
 void handle_packet(apacket *p, atransport *t);
 
diff --git a/adb/adb_auth_host.cpp b/adb/adb_auth_host.cpp
index 749c7c5..e878f8b 100644
--- a/adb/adb_auth_host.cpp
+++ b/adb/adb_auth_host.cpp
@@ -43,7 +43,6 @@
 #include "mincrypt/rsa.h"
 #undef RSA_verify
 
-#include <base/logging.h>
 #include <base/strings.h>
 #include <cutils/list.h>
 
@@ -57,10 +56,8 @@
 #include <openssl/base64.h>
 #endif
 
-#include "adb_utils.h"
-
-const char kAndroidPath[] = ".android";
-const char kAdbKeyFile[] = "adbkey";
+#define ANDROID_PATH   ".android"
+#define ADB_KEY_FILE   "adbkey"
 
 struct adb_private_key {
     struct listnode node;
@@ -298,58 +295,64 @@
     return 1;
 }
 
-static bool get_user_keyfilepath(std::string* filename) {
-    CHECK(filename != nullptr);
-
+static int get_user_keyfilepath(char *filename, size_t len)
+{
+    const char *format, *home;
+    char android_dir[PATH_MAX];
+    struct stat buf;
 #ifdef _WIN32
-    const char* home = getenv("ANDROID_SDK_HOME");
-    if (home == nullptr) {
-        char path[PATH_MAX];
+    char path[PATH_MAX];
+    home = getenv("ANDROID_SDK_HOME");
+    if (!home) {
         SHGetFolderPath(NULL, CSIDL_PROFILE, NULL, 0, path);
         home = path;
     }
+    format = "%s\\%s";
 #else
-    const char* home = getenv("HOME");
-    if (home == nullptr)
-        return false;
+    home = getenv("HOME");
+    if (!home)
+        return -1;
+    format = "%s/%s";
 #endif
 
     D("home '%s'\n", home);
 
-    const std::string android_dir = android::base::Join(
-        std::vector<std::string>({home, kAndroidPath}), OS_PATH_SEPARATOR);
+    if (snprintf(android_dir, sizeof(android_dir), format, home,
+                        ANDROID_PATH) >= (int)sizeof(android_dir))
+        return -1;
 
-    if (!directory_exists(android_dir)) {
-        if (adb_mkdir(android_dir.c_str(), 0750) == -1) {
-            D("Cannot mkdir '%s'", android_dir.c_str());
-            return false;
+    if (stat(android_dir, &buf)) {
+        if (adb_mkdir(android_dir, 0750) < 0) {
+            D("Cannot mkdir '%s'", android_dir);
+            return -1;
         }
     }
 
-    *filename = android::base::Join(
-        std::vector<std::string>({android_dir, kAdbKeyFile}),
-        OS_PATH_SEPARATOR);
-    return true;
+    return snprintf(filename, len, format, android_dir, ADB_KEY_FILE);
 }
 
 static int get_user_key(struct listnode *list)
 {
-    std::string path;
-    if (!get_user_keyfilepath(&path)) {
+    struct stat buf;
+    char path[PATH_MAX];
+    int ret;
+
+    ret = get_user_keyfilepath(path, sizeof(path));
+    if (ret < 0 || ret >= (signed)sizeof(path)) {
         D("Error getting user key filename");
         return 0;
     }
 
-    D("user key '%s'\n", path.c_str());
+    D("user key '%s'\n", path);
 
-    if (!file_exists(path)) {
-        if (!generate_key(path.c_str())) {
+    if (stat(path, &buf) == -1) {
+        if (!generate_key(path)) {
             D("Failed to generate new key\n");
             return 0;
         }
     }
 
-    return read_key(path.c_str(), list);
+    return read_key(path, list);
 }
 
 static void get_vendor_keys(struct listnode* key_list) {
@@ -408,26 +411,27 @@
 
 int adb_auth_get_userkey(unsigned char *data, size_t len)
 {
-    std::string path;
-    if (!get_user_keyfilepath(&path)) {
+    char path[PATH_MAX];
+    int ret = get_user_keyfilepath(path, sizeof(path) - 4);
+    if (ret < 0 || ret >= (signed)(sizeof(path) - 4)) {
         D("Error getting user key filename");
         return 0;
     }
-    path += ".pub";
+    strcat(path, ".pub");
 
     // TODO(danalbert): ReadFileToString
     // Note that on Windows, load_file() does not do CR/LF translation, but
     // ReadFileToString() uses the C Runtime which uses CR/LF translation by
     // default (by is overridable with _setmode()).
     unsigned size;
-    void* file_data = load_file(path.c_str(), &size);
+    char* file_data = reinterpret_cast<char*>(load_file(path, &size));
     if (file_data == nullptr) {
-        D("Can't load '%s'\n", path.c_str());
+        D("Can't load '%s'\n", path);
         return 0;
     }
 
     if (len < (size_t)(size + 1)) {
-        D("%s: Content too large ret=%d\n", path.c_str(), size);
+        D("%s: Content too large ret=%d\n", path, size);
         free(file_data);
         return 0;
     }
diff --git a/adb/adb_io.h b/adb/adb_io.h
index bd3b869..8d50a6d 100644
--- a/adb/adb_io.h
+++ b/adb/adb_io.h
@@ -21,8 +21,6 @@
 
 #include <string>
 
-#include "base/macros.h"
-
 // Sends the protocol "OKAY" message.
 bool SendOkay(int fd);
 
@@ -56,6 +54,6 @@
 bool WriteFdExactly(int fd, const std::string& s);
 
 // Same as above, but formats the string to send.
-bool WriteFdFmt(int fd, const char* fmt, ...) ATTRIBUTE_FORMAT(2, 3);
+bool WriteFdFmt(int fd, const char* fmt, ...) __attribute__((__format__(__printf__, 2, 3)));
 
 #endif /* ADB_IO_H */
diff --git a/adb/adb_utils.cpp b/adb/adb_utils.cpp
index 1028838..604bd57 100644
--- a/adb/adb_utils.cpp
+++ b/adb/adb_utils.cpp
@@ -42,11 +42,6 @@
   return lstat(path.c_str(), &sb) != -1 && S_ISDIR(sb.st_mode);
 }
 
-bool file_exists(const std::string& path) {
-  struct stat sb;
-  return lstat(path.c_str(), &sb) != -1 && S_ISREG(sb.st_mode);
-}
-
 std::string escape_arg(const std::string& s) {
   std::string result = s;
 
diff --git a/adb/adb_utils.h b/adb/adb_utils.h
index f4ddb6c..84f7d0c 100644
--- a/adb/adb_utils.h
+++ b/adb/adb_utils.h
@@ -21,7 +21,6 @@
 
 bool getcwd(std::string* cwd);
 bool directory_exists(const std::string& path);
-bool file_exists(const std::string& path);
 
 std::string escape_arg(const std::string& s);
 
diff --git a/adb/commandline.cpp b/adb/commandline.cpp
index a9edd3e..81ad1bd 100644
--- a/adb/commandline.cpp
+++ b/adb/commandline.cpp
@@ -1455,8 +1455,7 @@
     return pm_command(transport, serial, argc, argv);
 }
 
-static int delete_file(TransportType transport, const char* serial,
-                       const char* filename) {
+static int delete_file(TransportType transport, const char* serial, char* filename) {
     std::string cmd = "shell:rm -f " + escape_arg(filename);
     return send_shell_command(transport, serial, cmd);
 }
@@ -1473,8 +1472,8 @@
 }
 
 static int install_app(TransportType transport, const char* serial, int argc, const char** argv) {
-    static const char *const DATA_DEST = "/data/local/tmp";
-    static const char *const SD_DEST = "/sdcard/tmp";
+    static const char *const DATA_DEST = "/data/local/tmp/%s";
+    static const char *const SD_DEST = "/sdcard/tmp/%s";
     const char* where = DATA_DEST;
     int i;
     struct stat sb;
@@ -1508,20 +1507,19 @@
     }
 
     const char* apk_file = argv[last_apk];
-    const std::string apk_dest =
-        android::base::StringPrintf("%s/%s", where, get_basename(apk_file));
-    int err = do_sync_push(apk_file, apk_dest.c_str(), /* show_progress = */ 0);
+    char apk_dest[PATH_MAX];
+    snprintf(apk_dest, sizeof apk_dest, where, get_basename(apk_file));
+    int err = do_sync_push(apk_file, apk_dest, 0 /* no show progress */);
     if (err) {
         goto cleanup_apk;
     } else {
-        // Destination name, not source location.
-        argv[last_apk] = apk_dest.c_str();
+        argv[last_apk] = apk_dest; /* destination name, not source location */
     }
 
     err = pm_command(transport, serial, argc, argv);
 
 cleanup_apk:
-    delete_file(transport, serial, apk_dest.c_str());
+    delete_file(transport, serial, apk_dest);
     return err;
 }
 
diff --git a/adb/fdevent.cpp b/adb/fdevent.cpp
index 8997897..0c43c5e 100644
--- a/adb/fdevent.cpp
+++ b/adb/fdevent.cpp
@@ -30,8 +30,6 @@
 #include <sys/ioctl.h>
 #include <unistd.h>
 
-#include "base/macros.h"
-
 #include "adb_io.h"
 #include "adb_trace.h"
 
@@ -46,7 +44,6 @@
 // of the shell's pseudo-tty master. I.e. force close it.
 int SHELL_EXIT_NOTIFY_FD = -1;
 
-static void fatal(const char *fn, const char *fmt, ...) ATTRIBUTE_FORMAT(2, 3);
 static void fatal(const char *fn, const char *fmt, ...)
 {
     va_list ap;
diff --git a/adb/qemu_tracing.h b/adb/qemu_tracing.h
index aefba57..ff42d4f 100644
--- a/adb/qemu_tracing.h
+++ b/adb/qemu_tracing.h
@@ -21,10 +21,8 @@
 #ifndef __QEMU_TRACING_H
 #define __QEMU_TRACING_H
 
-#include "base/macros.h"
-
 /* Initializes connection with the adb-debug qemud service in the emulator. */
 int adb_qemu_trace_init(void);
-void adb_qemu_trace(const char* fmt, ...) ATTRIBUTE_FORMAT(1, 2);
+void adb_qemu_trace(const char* fmt, ...);
 
 #endif /* __QEMU_TRACING_H */
diff --git a/base/include/base/macros.h b/base/include/base/macros.h
index 35db83a..b1ce7c6 100644
--- a/base/include/base/macros.h
+++ b/base/include/base/macros.h
@@ -185,17 +185,4 @@
   } while (0)
 #endif
 
-// These printf-like functions are implemented in terms of vsnprintf, so they
-// use the same attribute for compile-time format string checking. On Windows,
-// if the mingw version of vsnprintf is used, so use `gnu_printf' which allows z
-// in %zd and PRIu64 (and related) to be recognized by the compile-time
-// checking.
-#if defined(__USE_MINGW_ANSI_STDIO) && __USE_MINGW_ANSI_STDIO
-#define ATTRIBUTE_FORMAT(fmt, args) \
-  __attribute__((format(gnu_printf, fmt, args)))
-#else
-#define ATTRIBUTE_FORMAT(fmt, args) \
-  __attribute__((format(__printf__, fmt, args)))
-#endif
-
 #endif  // UTILS_MACROS_H
diff --git a/base/include/base/stringprintf.h b/base/include/base/stringprintf.h
index e17a2b5..d68af87 100644
--- a/base/include/base/stringprintf.h
+++ b/base/include/base/stringprintf.h
@@ -20,21 +20,35 @@
 #include <stdarg.h>
 #include <string>
 
-#include "base/macros.h"
-
 namespace android {
 namespace base {
 
+// These printf-like functions are implemented in terms of vsnprintf, so they
+// use the same attribute for compile-time format string checking. On Windows,
+// if the mingw version of vsnprintf is used, use `gnu_printf' which allows z
+// in %zd and PRIu64 (and related) to be recognized by the compile-time
+// checking.
+#define FORMAT_ARCHETYPE __printf__
+#ifdef __USE_MINGW_ANSI_STDIO
+#if __USE_MINGW_ANSI_STDIO
+#undef FORMAT_ARCHETYPE
+#define FORMAT_ARCHETYPE gnu_printf
+#endif
+#endif
+
 // Returns a string corresponding to printf-like formatting of the arguments.
-std::string StringPrintf(const char* fmt, ...) ATTRIBUTE_FORMAT(1, 2);
+std::string StringPrintf(const char* fmt, ...)
+    __attribute__((__format__(FORMAT_ARCHETYPE, 1, 2)));
 
 // Appends a printf-like formatting of the arguments to 'dst'.
 void StringAppendF(std::string* dst, const char* fmt, ...)
-    ATTRIBUTE_FORMAT(2, 3);
+    __attribute__((__format__(FORMAT_ARCHETYPE, 2, 3)));
 
 // Appends a printf-like formatting of the arguments to 'dst'.
 void StringAppendV(std::string* dst, const char* format, va_list ap)
-    ATTRIBUTE_FORMAT(2, 0);
+    __attribute__((__format__(FORMAT_ARCHETYPE, 2, 0)));
+
+#undef FORMAT_ARCHETYPE
 
 }  // namespace base
 }  // namespace android