diff --git a/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp b/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
index ef99bd98c93..ccfc1c036c2 100644
--- a/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
@@ -2719,18 +2719,6 @@ bool ShenandoahRegionIterator::has_next() const {
   return _index < _heap->num_regions();
 }
 
-char ShenandoahHeap::gc_state() const {
-  return _gc_state.raw_value();
-}
-
-bool ShenandoahHeap::is_gc_state(GCState state) const {
-  // If the global gc state has been changed, but hasn't yet been propagated to all threads, then
-  // the global gc state is the correct value. Once the gc state has been synchronized with all threads,
-  // _gc_state_changed will be toggled to false and we need to use the thread local state.
-  return _gc_state_changed ? _gc_state.is_set(state) : ShenandoahThreadLocalData::is_gc_state(state);
-}
-
-
 ShenandoahLiveData* ShenandoahHeap::get_liveness_cache(uint worker_id) {
 #ifdef ASSERT
   assert(_liveness_cache != nullptr, "sanity");
diff --git a/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp b/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
index 174001170f4..9240091070b 100644
--- a/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
@@ -353,7 +353,7 @@ private:
 
 public:
   // This returns the raw value of the singular, global gc state.
-  char gc_state() const;
+  inline char gc_state() const;
 
   // Compares the given state against either the global gc state, or the thread local state.
   // The global gc state may change on a safepoint and is the correct value to use until
@@ -361,7 +361,7 @@ public:
   // compare against the thread local state). The thread local gc state may also be changed
   // by a handshake operation, in which case, this function continues using the updated thread
   // local value.
-  bool is_gc_state(GCState state) const;
+  inline bool is_gc_state(GCState state) const;
 
   // This copies the global gc state into a thread local variable for all threads.
   // The thread local gc state is primarily intended to support quick access at barriers.
diff --git a/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp b/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp
index 34c279a1495..e35f116b843 100644
--- a/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp
@@ -452,6 +452,17 @@ inline bool ShenandoahHeap::in_collection_set_loc(void* p) const {
   return collection_set()->is_in_loc(p);
 }
 
+inline char ShenandoahHeap::gc_state() const {
+  return _gc_state.raw_value();
+}
+
+inline bool ShenandoahHeap::is_gc_state(GCState state) const {
+  // If the global gc state has been changed, but hasn't yet been propagated to all threads, then
+  // the global gc state is the correct value. Once the gc state has been synchronized with all threads,
+  // _gc_state_changed will be toggled to false and we need to use the thread local state.
+  return _gc_state_changed ? _gc_state.is_set(state) : ShenandoahThreadLocalData::is_gc_state(state);
+}
+
 inline bool ShenandoahHeap::is_idle() const {
   return _gc_state_changed ? _gc_state.is_clear() : ShenandoahThreadLocalData::gc_state(Thread::current()) == 0;
 }