diff --git a/libs/androidfw/BackupData.cpp b/libs/androidfw/BackupData.cpp
index 2b45a70..ba4a4ff 100644
--- a/libs/androidfw/BackupData.cpp
+++ b/libs/androidfw/BackupData.cpp
@@ -45,12 +45,6 @@
 const static int ROUND_UP[4] = { 0, 3, 2, 1 };
 
 static inline size_t
-round_up(size_t n)
-{
-    return n + ROUND_UP[n % 4];
-}
-
-static inline size_t
 padding_extra(size_t n)
 {
     return ROUND_UP[n % 4];
@@ -343,7 +337,7 @@
     }
     int remaining = m_dataEndPos - m_pos;
     if (kIsDebug) {
-        ALOGD("ReadEntityData size=%d m_pos=0x%x m_dataEndPos=0x%x remaining=%d\n",
+        ALOGD("ReadEntityData size=%zu m_pos=0x%zx m_dataEndPos=0x%zx remaining=%d\n",
                 size, m_pos, m_dataEndPos, remaining);
     }
     if (remaining <= 0) {
@@ -353,7 +347,7 @@
         size = remaining;
     }
     if (kIsDebug) {
-        ALOGD("   reading %d bytes", size);
+        ALOGD("   reading %zu bytes", size);
     }
     int amt = read(m_fd, data, size);
     if (amt < 0) {
diff --git a/libs/androidfw/BackupHelpers.cpp b/libs/androidfw/BackupHelpers.cpp
index 36a4cfe..c78593d 100644
--- a/libs/androidfw/BackupHelpers.cpp
+++ b/libs/androidfw/BackupHelpers.cpp
@@ -555,7 +555,7 @@
     snprintf(buf + 124, 12, "%011llo", (isdir) ? 0LL : s.st_size);
 
     // [ 136 :  12 ] last mod time as a UTC time_t
-    snprintf(buf + 136, 12, "%0lo", s.st_mtime);
+    snprintf(buf + 136, 12, "%0lo", (unsigned long)s.st_mtime);
 
     // [ 156 :   1 ] link/file type
     uint8_t type;
diff --git a/libs/androidfw/ResourceTypes.cpp b/libs/androidfw/ResourceTypes.cpp
index e2263d2..679a75f 100644
--- a/libs/androidfw/ResourceTypes.cpp
+++ b/libs/androidfw/ResourceTypes.cpp
@@ -733,8 +733,8 @@
                         }
 #else
                         // We do not want to be in this case when actually running Android.
-                        ALOGW("CREATING STRING CACHE OF %d bytes",
-                                mHeader->stringCount*sizeof(char16_t**));
+                        ALOGW("CREATING STRING CACHE OF %zu bytes",
+                                static_cast<size_t>(mHeader->stringCount*sizeof(char16_t**)));
 #endif
                         mCache = (char16_t**)calloc(mHeader->stringCount, sizeof(char16_t**));
                         if (mCache == NULL) {