diff --git a/core/combo/include/arch/darwin-x86/AndroidConfig.h b/core/combo/include/arch/darwin-x86/AndroidConfig.h
index 447dfa2c51..be7e27c983 100644
--- a/core/combo/include/arch/darwin-x86/AndroidConfig.h
+++ b/core/combo/include/arch/darwin-x86/AndroidConfig.h
@@ -100,11 +100,6 @@
  */
 #define HAVE_STRLCPY 1
 
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
 /*
  * Define if <stdint.h> exists.
  */
diff --git a/core/combo/include/arch/linux-arm/AndroidConfig.h b/core/combo/include/arch/linux-arm/AndroidConfig.h
index 3975decaa5..5a93ed63bd 100644
--- a/core/combo/include/arch/linux-arm/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm/AndroidConfig.h
@@ -107,11 +107,6 @@
  */
 #define HAVE_PRCTL 1
 
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
 /*
  * Define if <stdint.h> exists.
  */
diff --git a/core/combo/include/arch/linux-arm64/AndroidConfig.h b/core/combo/include/arch/linux-arm64/AndroidConfig.h
index a874763640..6a540de413 100644
--- a/core/combo/include/arch/linux-arm64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm64/AndroidConfig.h
@@ -100,11 +100,6 @@
  */
 #define HAVE_PRCTL 1
 
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
 /*
  * Define if <stdint.h> exists.
  */
diff --git a/core/combo/include/arch/linux-mips/AndroidConfig.h b/core/combo/include/arch/linux-mips/AndroidConfig.h
index 032028b8e9..a161cf1c2e 100644
--- a/core/combo/include/arch/linux-mips/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips/AndroidConfig.h
@@ -121,11 +121,6 @@
  */
 #define HAVE_PRCTL 1
 
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
 /*
  * Define if <stdint.h> exists.
  */
diff --git a/core/combo/include/arch/linux-mips64/AndroidConfig.h b/core/combo/include/arch/linux-mips64/AndroidConfig.h
index 35b416df15..fd68252977 100644
--- a/core/combo/include/arch/linux-mips64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips64/AndroidConfig.h
@@ -116,11 +116,6 @@
  */
 #define HAVE_PRCTL 1
 
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
 /*
  * Define if <stdint.h> exists.
  */
diff --git a/core/combo/include/arch/linux-x86/AndroidConfig.h b/core/combo/include/arch/linux-x86/AndroidConfig.h
index db77a9e2ad..3039622866 100644
--- a/core/combo/include/arch/linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/linux-x86/AndroidConfig.h
@@ -101,11 +101,6 @@
  */
 #define HAVE_PRCTL 1
 
-/*
- * Define if writev() exists
- */
-#define HAVE_WRITEV 1
-
 /*
  * Define if <stdint.h> exists.
  */