diff --git a/src/codegen/compiler.cpp b/src/codegen/compiler.cpp
index ee79e97a8f..5f1f9ab431 100644
--- a/src/codegen/compiler.cpp
+++ b/src/codegen/compiler.cpp
@@ -1414,32 +1414,6 @@ register_(Context* c, int number)
   return value(c, type, s, s);
 }
 
-class FrameSiteEvent: public Event {
- public:
-  FrameSiteEvent(Context* c, Value* value, int index):
-    Event(c), value(value), index(index)
-  { }
-
-  virtual const char* name() {
-    return "FrameSiteEvent";
-  }
-
-  virtual void compile(Context* c) {
-    if (live(c, value)) {
-      value->addSite(c, frameSite(c, index));
-    }
-  }
-
-  Value* value;
-  int index;
-};
-
-void
-appendFrameSite(Context* c, Value* value, int index)
-{
-  append(c, new(c->zone) FrameSiteEvent(c, value, index));
-}
-
 unsigned
 frameFootprint(Context* c, Stack* s)
 {
diff --git a/src/codegen/compiler/event.cpp b/src/codegen/compiler/event.cpp
index abb170bb1b..68d3bccfd6 100644
--- a/src/codegen/compiler/event.cpp
+++ b/src/codegen/compiler/event.cpp
@@ -1578,6 +1578,33 @@ appendBoundsCheck(Context* c, Value* object, unsigned lengthOffset,
   append(c, new(c->zone) BoundsCheckEvent(c, object, lengthOffset, index, handler));
 }
 
+
+class FrameSiteEvent: public Event {
+ public:
+  FrameSiteEvent(Context* c, Value* value, int index):
+    Event(c), value(value), index(index)
+  { }
+
+  virtual const char* name() {
+    return "FrameSiteEvent";
+  }
+
+  virtual void compile(Context* c) {
+    if (live(c, value)) {
+      value->addSite(c, frameSite(c, index));
+    }
+  }
+
+  Value* value;
+  int index;
+};
+
+void
+appendFrameSite(Context* c, Value* value, int index)
+{
+  append(c, new(c->zone) FrameSiteEvent(c, value, index));
+}
+
 } // namespace compiler
 } // namespace codegen
 } // namespace avian
diff --git a/src/codegen/compiler/event.h b/src/codegen/compiler/event.h
index ecefcf85d6..c28fa6230b 100644
--- a/src/codegen/compiler/event.h
+++ b/src/codegen/compiler/event.h
@@ -151,6 +151,9 @@ void
 appendBoundsCheck(Context* c, Value* object, unsigned lengthOffset,
                   Value* index, intptr_t handler);
 
+void
+appendFrameSite(Context* c, Value* value, int index);
+
 } // namespace compiler
 } // namespace codegen
 } // namespace avian