6 files changed, 13 insertions, 0 deletions
diff --git a/js/public/HeapAPI.h b/js/public/HeapAPI.h
index e37d13e93..fef6c0c78 100644
--- a/js/public/HeapAPI.h
+++ b/js/public/HeapAPI.h
@@ -392,6 +392,7 @@ IsIncrementalBarrierNeededOnTenuredGCThing(JS::shadow::Runtime* rt, const JS::GC
     return JS::shadow::Zone::asShadowZone(zone)->needsIncrementalBarrier();
 }
 
+#ifdef MOZ_DEVTOOLS_SERVER
 /**
  * Create an object providing access to the garbage collector's internal notion
  * of the current state of memory (both GC heap memory and GCthing-controlled
@@ -399,6 +400,7 @@ IsIncrementalBarrierNeededOnTenuredGCThing(JS::shadow::Runtime* rt, const JS::GC
  */
 extern JS_PUBLIC_API(JSObject*)
 NewMemoryInfoObject(JSContext* cx);
+#endif
 
 } /* namespace gc */
 } /* namespace js */
diff --git a/js/src/gc/GCRuntime.h b/js/src/gc/GCRuntime.h
index f102e9ef0..f43dcd351 100644
--- a/js/src/gc/GCRuntime.h
+++ b/js/src/gc/GCRuntime.h
@@ -741,7 +741,9 @@ class GCRuntime
     void removeBlackRootsTracer(JSTraceDataOp traceOp, void* data);
 
     void setMaxMallocBytes(size_t value);
+#ifdef MOZ_DEVTOOLS_SERVER
     int32_t getMallocBytes() const { return mallocBytesUntilGC; }
+#endif
     void resetMallocBytes();
     bool isTooMuchMalloc() const { return mallocBytesUntilGC <= 0; }
     void updateMallocCounter(JS::Zone* zone, size_t nbytes);
diff --git a/js/src/gc/Nursery.cpp b/js/src/gc/Nursery.cpp
index 93a0eb6a8..737d68bd0 100644
--- a/js/src/gc/Nursery.cpp
+++ b/js/src/gc/Nursery.cpp
@@ -505,7 +505,10 @@ js::Nursery::collect(JSRuntime* rt, JS::gcreason::Reason reason)
     if (!isEnabled())
         return;
 
+#ifdef MOZ_DEVTOOLS_SERVER
+    // No need to obsessively track this without devtools
     rt->gc.incMinorGcNumber();
+#endif
 
     rt->gc.stats.beginNurseryCollection(reason);
     TraceMinorGCStart();
diff --git a/js/src/jsgc.cpp b/js/src/jsgc.cpp
index 5a9d732b6..4078ac0a7 100644
--- a/js/src/jsgc.cpp
+++ b/js/src/jsgc.cpp
@@ -6776,6 +6776,7 @@ js::gc::NextCellUniqueId(JSRuntime* rt)
     return rt->gc.nextCellUniqueId();
 }
 
+#ifdef MOZ_DEVTOOLS_SERVER
 namespace js {
 namespace gc {
 namespace MemInfo {
@@ -7032,6 +7033,7 @@ AutoEmptyNursery::AutoEmptyNursery(JSRuntime *rt)
 
 } /* namespace gc */
 } /* namespace js */
+#endif
 
 #ifdef DEBUG
 void
diff --git a/js/src/jsgc.h b/js/src/jsgc.h
index 952fd6bae..601f63daa 100644
--- a/js/src/jsgc.h
+++ b/js/src/jsgc.h
@@ -1357,8 +1357,10 @@ class ZoneList
     ZoneList& operator=(const ZoneList& other) = delete;
 };
 
+#ifdef MOZ_DEVTOOLS_SERVER
 JSObject*
 NewMemoryStatisticsObject(JSContext* cx);
+#endif
 
 struct MOZ_RAII AutoAssertNoNurseryAlloc
 {
diff --git a/js/src/shell/js.cpp b/js/src/shell/js.cpp
index 36558a694..4b0c858a4 100644
--- a/js/src/shell/js.cpp
+++ b/js/src/shell/js.cpp
@@ -7090,6 +7090,7 @@ NewGlobalObject(JSContext* cx, JS::CompartmentOptions& options,
         if (!DefineOS(cx, glob, fuzzingSafe, &gOutFile, &gErrFile))
             return nullptr;
 
+#ifdef MOZ_DEVTOOLS_SERVER
         RootedObject performanceObj(cx, JS_NewObject(cx, nullptr));
         if (!performanceObj)
             return nullptr;
@@ -7105,6 +7106,7 @@ NewGlobalObject(JSContext* cx, JS::CompartmentOptions& options,
             return nullptr;
         if (!JS_DefineProperty(cx, mozMemoryObj, "gc", gcObj, JSPROP_ENUMERATE))
             return nullptr;
+#endif
 
         /* Initialize FakeDOMObject. */
         static const js::DOMCallbacks DOMcallbacks = {