diff --git a/core/combo/include/arch/darwin-x86/AndroidConfig.h b/core/combo/include/arch/darwin-x86/AndroidConfig.h
index eb5609cbfa..e4a692127f 100644
--- a/core/combo/include/arch/darwin-x86/AndroidConfig.h
+++ b/core/combo/include/arch/darwin-x86/AndroidConfig.h
@@ -104,13 +104,6 @@
 #define _FILE_OFFSET_BITS 64
 #define _LARGEFILE_SOURCE 1
 
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
 /*
  * 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 4a9ec624cd..0b83b59da7 100644
--- a/core/combo/include/arch/linux-arm/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm/AndroidConfig.h
@@ -93,13 +93,6 @@
 #define HAVE_ENDIAN_H
 #define HAVE_LITTLE_ENDIAN
 
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
 /* 
  * 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 c3ad5daf05..b000abeac8 100644
--- a/core/combo/include/arch/linux-arm64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm64/AndroidConfig.h
@@ -91,13 +91,6 @@
 #define _FILE_OFFSET_BITS 64
 /* #define _LARGEFILE_SOURCE 1 */
 
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
 /*
  * 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 45bff096d2..e27f743fd6 100644
--- a/core/combo/include/arch/linux-mips/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips/AndroidConfig.h
@@ -121,13 +121,6 @@
 /* #define _FILE_OFFSET_BITS 64 */
 /* #define _LARGEFILE_SOURCE 1 */
 
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
 /*
  * 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 f66830aa76..2853790066 100644
--- a/core/combo/include/arch/linux-mips64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips64/AndroidConfig.h
@@ -111,13 +111,6 @@
 #define _FILE_OFFSET_BITS 64
 /* #define _LARGEFILE_SOURCE 1 */
 
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
 /*
  * 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 e3bffec021..902eef2800 100644
--- a/core/combo/include/arch/linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/linux-x86/AndroidConfig.h
@@ -106,13 +106,6 @@
 #define _FILE_OFFSET_BITS 64
 #define _LARGEFILE_SOURCE 1
 
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 1
-
 /* 
  * 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 216bb9ed58..3952250bfd 100644
--- a/core/combo/include/arch/target_linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/target_linux-x86/AndroidConfig.h
@@ -85,13 +85,6 @@
 #endif
 /* #define _LARGEFILE_SOURCE 1 */
 
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
 /*
  * Defined if we have the sched_setscheduler() call
  */
diff --git a/core/combo/include/arch/windows/AndroidConfig.h b/core/combo/include/arch/windows/AndroidConfig.h
index 786f95e49e..e9964a3c96 100644
--- a/core/combo/include/arch/windows/AndroidConfig.h
+++ b/core/combo/include/arch/windows/AndroidConfig.h
@@ -139,13 +139,6 @@
 #define _FILE_OFFSET_BITS 64
 #define _LARGEFILE_SOURCE 1
 
-/*
- * Defined if we have the backtrace() call for retrieving a stack trace.
- * Needed for CallStack to operate; if not defined, CallStack is
- * non-functional.
- */
-#define HAVE_BACKTRACE 0
-
 /*
  * Add any extra platform-specific defines here.
  */