1 files changed, 0 insertions, 4 deletions
diff --git a/vm_core.h b/vm_core.h
index 2e85eec524..fffaa5e986 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -14,10 +14,6 @@
 
 #define RUBY_VM_THREAD_MODEL 2
 
-#ifndef VM_COLLECT_USAGE_DETAILS
-#define VM_COLLECT_USAGE_DETAILS 0
-#endif
-
 #include "ruby/ruby.h"
 #include "ruby/st.h"