diff --git a/tools/profiler/core/platform.cpp b/tools/profiler/core/platform.cpp
index e37d947a72d1..3862fd1d3208 100644
--- a/tools/profiler/core/platform.cpp
+++ b/tools/profiler/core/platform.cpp
@@ -3470,12 +3470,6 @@ profiler_tracing(const char* aCategory, const char* aMarkerName,
   racy_profiler_add_marker(aMarkerName, Move(payload));
 }
 
-PseudoStack*
-profiler_get_pseudo_stack()
-{
-  return TLSRegisteredThread::Stack();
-}
-
 void
 profiler_set_js_context(JSContext* aCx)
 {
diff --git a/tools/profiler/public/GeckoProfiler.h b/tools/profiler/public/GeckoProfiler.h
index d640b3c69f45..a70e6d5ea363 100644
--- a/tools/profiler/public/GeckoProfiler.h
+++ b/tools/profiler/public/GeckoProfiler.h
@@ -434,9 +434,6 @@ struct ProfilerBufferInfo
 // buffer is being written to, and how much data is visible.
 mozilla::Maybe<ProfilerBufferInfo> profiler_get_buffer_info();
 
-// Get the current thread's PseudoStack.
-PseudoStack* profiler_get_pseudo_stack();
-
 //---------------------------------------------------------------------------
 // Put profiling data into the profiler (labels and markers)
 //---------------------------------------------------------------------------