diff --git a/core/combo/include/arch/darwin-x86/AndroidConfig.h b/core/combo/include/arch/darwin-x86/AndroidConfig.h
index 54f375090..a9944b3bc 100644
--- a/core/combo/include/arch/darwin-x86/AndroidConfig.h
+++ b/core/combo/include/arch/darwin-x86/AndroidConfig.h
@@ -163,12 +163,6 @@
  */
 #define HAVE_CXXABI 0
 
-/*
- * Defined if we have the gettid() system call.
- */
-/* #define HAVE_GETTID */
-
-
 /*
  * Add any extra platform-specific defines here.
  */
diff --git a/core/combo/include/arch/linux-arm/AndroidConfig.h b/core/combo/include/arch/linux-arm/AndroidConfig.h
index c06c8bc2c..bd4750d2f 100644
--- a/core/combo/include/arch/linux-arm/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm/AndroidConfig.h
@@ -172,11 +172,6 @@
  */
 #define HAVE_CXXABI 0
 
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
 /* 
  * Defined if we have the sched_setscheduler() call
  */
diff --git a/core/combo/include/arch/linux-arm64/AndroidConfig.h b/core/combo/include/arch/linux-arm64/AndroidConfig.h
index bcbda8f87..4e5be6e34 100644
--- a/core/combo/include/arch/linux-arm64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm64/AndroidConfig.h
@@ -174,11 +174,6 @@
  */
 #define HAVE_CXXABI 0
 
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
 /*
  * Defined if we have the sched_setscheduler() call
  */
diff --git a/core/combo/include/arch/linux-mips/AndroidConfig.h b/core/combo/include/arch/linux-mips/AndroidConfig.h
index bb3dc950b..1cc27ea0f 100644
--- a/core/combo/include/arch/linux-mips/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips/AndroidConfig.h
@@ -177,11 +177,6 @@
  */
 #define HAVE_CXXABI 0
 
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
 /*
  * Defined if we have the sched_setscheduler() call
  */
diff --git a/core/combo/include/arch/linux-mips64/AndroidConfig.h b/core/combo/include/arch/linux-mips64/AndroidConfig.h
index 7ded3ceea..e73d4ec2f 100644
--- a/core/combo/include/arch/linux-mips64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips64/AndroidConfig.h
@@ -174,11 +174,6 @@
  */
 #define HAVE_CXXABI 0
 
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
 /*
  * Defined if we have the sched_setscheduler() call
  */
diff --git a/core/combo/include/arch/linux-x86/AndroidConfig.h b/core/combo/include/arch/linux-x86/AndroidConfig.h
index 5523e4968..025b3f55e 100644
--- a/core/combo/include/arch/linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/linux-x86/AndroidConfig.h
@@ -165,11 +165,6 @@
  */
 #define HAVE_CXXABI 0
 
-/*
- * Defined if we have the gettid() system call.
- */
-/* #define HAVE_GETTID */
-
 /* 
  * Defined if we have the sched_setscheduler() call
  */
diff --git a/core/combo/include/arch/target_linux-x86/AndroidConfig.h b/core/combo/include/arch/target_linux-x86/AndroidConfig.h
index c267b2b47..c1544ff12 100644
--- a/core/combo/include/arch/target_linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/target_linux-x86/AndroidConfig.h
@@ -161,11 +161,6 @@
  */
 #define HAVE_CXXABI 0
 
-/*
- * Defined if we have the gettid() system call.
- */
-#define HAVE_GETTID
-
 /* 
  * Defined if we have the sched_setscheduler() call
  */