diff --git a/libs/androidfw/misc.cpp b/libs/androidfw/misc.cpp
index 9bdaf18a..93dcaf5 100644
--- a/libs/androidfw/misc.cpp
+++ b/libs/androidfw/misc.cpp
@@ -28,13 +28,11 @@
 #include <sys/vfs.h>
 #endif  // __linux__
 
+#include <cstring>
+#include <cstdio>
 #include <errno.h>
 #include <sys/stat.h>
 
-#include <cstdio>
-#include <cstring>
-#include <tuple>
-
 namespace android {
 
 /*
@@ -75,32 +73,27 @@
     }
 }
 
-static ModDate getModDate(const struct stat& st) {
-#ifdef _WIN32
-  return st.st_mtime;
-#else
-  return st.st_mtim;
-#endif
+/*
+ * Get a file's modification date.
+ */
+time_t getFileModDate(const char* fileName) {
+    struct stat sb;
+    if (stat(fileName, &sb) < 0) {
+        return (time_t)-1;
+    }
+    return sb.st_mtime;
 }
 
-ModDate getFileModDate(const char* fileName) {
-  struct stat sb;
-  if (stat(fileName, &sb) < 0) {
-    return kInvalidModDate;
-  }
-  return getModDate(sb);
-}
-
-ModDate getFileModDate(int fd) {
-  struct stat sb;
-  if (fstat(fd, &sb) < 0) {
-    return kInvalidModDate;
-  }
-  if (sb.st_nlink <= 0) {
-    errno = ENOENT;
-    return kInvalidModDate;
-  }
-  return getModDate(sb);
+time_t getFileModDate(int fd) {
+    struct stat sb;
+    if (fstat(fd, &sb) < 0) {
+        return (time_t)-1;
+    }
+    if (sb.st_nlink <= 0) {
+        errno = ENOENT;
+        return (time_t)-1;
+    }
+    return sb.st_mtime;
 }
 
 #ifndef __linux__
@@ -131,8 +124,4 @@
 }
 #endif  // __linux__
 
-}  // namespace android
-
-bool operator==(const timespec& l, const timespec& r) {
-  return std::tie(l.tv_sec, l.tv_nsec) == std::tie(r.tv_sec, l.tv_nsec);
-}
+}; // namespace android