diff --git a/core/combo/include/arch/darwin-x86/AndroidConfig.h b/core/combo/include/arch/darwin-x86/AndroidConfig.h
index 27769e4f58..9324c91ff6 100644
--- a/core/combo/include/arch/darwin-x86/AndroidConfig.h
+++ b/core/combo/include/arch/darwin-x86/AndroidConfig.h
@@ -70,11 +70,6 @@
  */
 #define HAVE_SYMLINKS
 
-/*
- * Define this if we have localtime_r().
- */
-#define HAVE_LOCALTIME_R 1
-
 /*
  * Endianness of the target machine.  Choose one:
  *
diff --git a/core/combo/include/arch/linux-mips/AndroidConfig.h b/core/combo/include/arch/linux-mips/AndroidConfig.h
index adeecfa71f..9b015b53c8 100644
--- a/core/combo/include/arch/linux-mips/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips/AndroidConfig.h
@@ -70,11 +70,6 @@
  */
 #define HAVE_SYMLINKS
 
-/*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R */
-
 /*
  * Define this if we want to use WinSock.
  */
diff --git a/core/combo/include/arch/linux-mips64/AndroidConfig.h b/core/combo/include/arch/linux-mips64/AndroidConfig.h
index f2a81c18f0..887e2fcc61 100644
--- a/core/combo/include/arch/linux-mips64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips64/AndroidConfig.h
@@ -70,11 +70,6 @@
  */
 #define HAVE_SYMLINKS
 
-/*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R */
-
 /*
  * Define this if we want to use WinSock.
  */
diff --git a/core/combo/include/arch/linux-x86/AndroidConfig.h b/core/combo/include/arch/linux-x86/AndroidConfig.h
index 42bcf793a3..173304902e 100644
--- a/core/combo/include/arch/linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/linux-x86/AndroidConfig.h
@@ -65,11 +65,6 @@
  */
 #define HAVE_SYMLINKS
 
-/*
- * Define this if we have localtime_r().
- */
-#define HAVE_LOCALTIME_R 1
-
 /*
  * Define this if have clock_gettime() and friends
  */
diff --git a/tools/zipalign/ZipEntry.cpp b/tools/zipalign/ZipEntry.cpp
index d4d366df09..b2270cb0b7 100644
--- a/tools/zipalign/ZipEntry.cpp
+++ b/tools/zipalign/ZipEntry.cpp
@@ -356,7 +356,7 @@ time_t ZipEntry::getModWhen(void) const
  */
 void ZipEntry::setModWhen(time_t when)
 {
-#ifdef HAVE_LOCALTIME_R
+#if !defined(_WIN32)
     struct tm tmResult;
 #endif
     time_t even;
@@ -368,7 +368,7 @@ void ZipEntry::setModWhen(time_t when)
     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);