diff --git a/core/combo/include/arch/darwin-x86/AndroidConfig.h b/core/combo/include/arch/darwin-x86/AndroidConfig.h
index 27769e4..9324c91 100644
--- a/core/combo/include/arch/darwin-x86/AndroidConfig.h
+++ b/core/combo/include/arch/darwin-x86/AndroidConfig.h
@@ -71,11 +71,6 @@
 #define HAVE_SYMLINKS
 
 /*
- * Define this if we have localtime_r().
- */
-#define HAVE_LOCALTIME_R 1
-
-/*
  * Endianness of the target machine.  Choose one:
  *
  * HAVE_ENDIAN_H -- have endian.h header we can include.
diff --git a/core/combo/include/arch/linux-mips/AndroidConfig.h b/core/combo/include/arch/linux-mips/AndroidConfig.h
index adeecfa..9b015b5 100644
--- a/core/combo/include/arch/linux-mips/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips/AndroidConfig.h
@@ -71,11 +71,6 @@
 #define HAVE_SYMLINKS
 
 /*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R */
-
-/*
  * Define this if we want to use WinSock.
  */
 /* #define HAVE_WINSOCK */
diff --git a/core/combo/include/arch/linux-mips64/AndroidConfig.h b/core/combo/include/arch/linux-mips64/AndroidConfig.h
index f2a81c1..887e2fc 100644
--- a/core/combo/include/arch/linux-mips64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips64/AndroidConfig.h
@@ -71,11 +71,6 @@
 #define HAVE_SYMLINKS
 
 /*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R */
-
-/*
  * Define this if we want to use WinSock.
  */
 /* #define HAVE_WINSOCK */
diff --git a/core/combo/include/arch/linux-x86/AndroidConfig.h b/core/combo/include/arch/linux-x86/AndroidConfig.h
index 42bcf79..1733049 100644
--- a/core/combo/include/arch/linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/linux-x86/AndroidConfig.h
@@ -66,11 +66,6 @@
 #define HAVE_SYMLINKS
 
 /*
- * Define this if we have localtime_r().
- */
-#define HAVE_LOCALTIME_R 1
-
-/*
  * Define this if have clock_gettime() and friends
  */
 #define HAVE_POSIX_CLOCKS
diff --git a/tools/zipalign/ZipEntry.cpp b/tools/zipalign/ZipEntry.cpp
index d4d366d..b2270cb 100644
--- a/tools/zipalign/ZipEntry.cpp
+++ b/tools/zipalign/ZipEntry.cpp
@@ -356,7 +356,7 @@
  */
 void ZipEntry::setModWhen(time_t when)
 {
-#ifdef HAVE_LOCALTIME_R
+#if !defined(_WIN32)
     struct tm tmResult;
 #endif
     time_t even;
@@ -368,7 +368,7 @@
     even = (time_t)(((unsigned long)(when) + 1) & (~1));
 
     /* expand */
-#ifdef HAVE_LOCALTIME_R
+#if !defined(_WIN32)
     ptm = localtime_r(&even, &tmResult);
 #else
     ptm = localtime(&even);