3 files changed, 3 insertions, 12 deletions
diff --git a/js/src/gc/GCRuntime.h b/js/src/gc/GCRuntime.h
index 5252903f39..a426d759b2 100644
--- a/js/src/gc/GCRuntime.h
+++ b/js/src/gc/GCRuntime.h
@@ -600,7 +600,6 @@ class GCRuntime
     void finishRoots();
     void finish();
 
-    inline bool hasZealMode(ZealMode mode);
     inline void clearZealMode(ZealMode mode);
     inline bool upcomingZealousGC();
     inline bool needZealousGC();
@@ -1355,7 +1354,6 @@ class MOZ_RAII AutoMaybeStartBackgroundAllocation
     }
 };
 
-inline bool GCRuntime::hasZealMode(ZealMode mode) { return false; }
 inline void GCRuntime::clearZealMode(ZealMode mode) { }
 inline bool GCRuntime::upcomingZealousGC() { return false; }
 inline bool GCRuntime::needZealousGC() { return false; }
diff --git a/js/src/gc/Nursery.cpp b/js/src/gc/Nursery.cpp
index 3a3860d6d3..72530b31b6 100644
--- a/js/src/gc/Nursery.cpp
+++ b/js/src/gc/Nursery.cpp
@@ -219,11 +219,8 @@ js::Nursery::isEmpty() const
     MOZ_ASSERT(runtime_);
     if (!isEnabled())
         return true;
-
-    if (!runtime_->hasZealMode(ZealMode::GenerationalGC)) {
-        MOZ_ASSERT(currentStartChunk_ == 0);
-        MOZ_ASSERT(currentStartPosition_ == chunk(0).start());
-    }
+    MOZ_ASSERT(currentStartChunk_ == 0);
+    MOZ_ASSERT(currentStartPosition_ == chunk(0).start());
     return position() == currentStartPosition_;
 }
 
diff --git a/js/src/gc/Zone.h b/js/src/gc/Zone.h
index a3a6dc07f0..84d6f03ddd 100644
--- a/js/src/gc/Zone.h
+++ b/js/src/gc/Zone.h
@@ -253,11 +253,7 @@ struct Zone : public JS::shadow::Zone,
     // possibly at other times too.
     uint64_t gcNumber();
 
-    bool compileBarriers() const { return compileBarriers(needsIncrementalBarrier()); }
-    bool compileBarriers(bool needsIncrementalBarrier) const {
-        return needsIncrementalBarrier ||
-               runtimeFromMainThread()->hasZealMode(js::gc::ZealMode::VerifierPre);
-    }
+    bool compileBarriers() const { return needsIncrementalBarrier(); }
 
     enum ShouldUpdateJit { DontUpdateJit, UpdateJit };
     void setNeedsIncrementalBarrier(bool needs, ShouldUpdateJit updateJit);