diff --git a/vm/cpu-arm.hpp b/vm/cpu-arm.hpp
index 0aa579b680..4cd5316099 100644
--- a/vm/cpu-arm.hpp
+++ b/vm/cpu-arm.hpp
@@ -2,6 +2,4 @@ namespace factor {
 
 #define FACTOR_CPU_STRING "arm"
 
-#define FRAME_RETURN_ADDRESS(frame, vm) *(XT*)(vm->frame_successor(frame) + 1)
-
 }
diff --git a/vm/os-linux-ppc.32.hpp b/vm/os-linux-ppc.32.hpp
index 68ac53bc29..7a9fbabcd3 100644
--- a/vm/os-linux-ppc.32.hpp
+++ b/vm/os-linux-ppc.32.hpp
@@ -2,8 +2,6 @@
 
 namespace factor {
 
-#define FRAME_RETURN_ADDRESS(frame, vm) \
-  *((void**)(vm->frame_successor(frame) + 1) + 1)
 #define UAP_STACK_POINTER(ucontext) \
   ((ucontext_t*)ucontext)->uc_mcontext.uc_regs->gregs[1]
 #define UAP_PROGRAM_COUNTER(ucontext) \
diff --git a/vm/os-linux-ppc.64.hpp b/vm/os-linux-ppc.64.hpp
index 634a5d7896..325d975f9e 100644
--- a/vm/os-linux-ppc.64.hpp
+++ b/vm/os-linux-ppc.64.hpp
@@ -2,8 +2,6 @@
 
 namespace factor {
 
-#define FRAME_RETURN_ADDRESS(frame, vm) \
-  *((void**)(vm->frame_successor(frame) + 1) + 2)
 #define UAP_STACK_POINTER(ucontext) \
   ((ucontext_t*)ucontext)->uc_mcontext.gp_regs[1]
 #define UAP_PROGRAM_COUNTER(ucontext) \