diff --git a/src/arch/power/stacktrace.cc b/src/arch/power/stacktrace.cc
index 5fcb6342cf..315cf0ae56 100644
--- a/src/arch/power/stacktrace.cc
+++ b/src/arch/power/stacktrace.cc
@@ -38,7 +38,6 @@ using namespace std;
 namespace PowerISA {
 
 ProcessInfo::ProcessInfo(ThreadContext *_tc)
-    : tc(_tc)
 {
     panic("ProcessInfo constructor not implemented.\n");
 }
diff --git a/src/arch/power/stacktrace.hh b/src/arch/power/stacktrace.hh
index 72a66e5bd3..65badad24e 100644
--- a/src/arch/power/stacktrace.hh
+++ b/src/arch/power/stacktrace.hh
@@ -47,15 +47,6 @@ namespace PowerISA
 
 class ProcessInfo
 {
-  private:
-    ThreadContext *tc;
-
-    int thread_info_size;
-    int task_struct_size;
-    int task_off;
-    int pid_off;
-    int name_off;
-
   public:
     ProcessInfo(ThreadContext *_tc);