diff --git a/src/hotspot/share/utilities/growableArray.hpp b/src/hotspot/share/utilities/growableArray.hpp
index 68374c516dd..4cc77b40708 100644
--- a/src/hotspot/share/utilities/growableArray.hpp
+++ b/src/hotspot/share/utilities/growableArray.hpp
@@ -320,21 +320,6 @@ public:
     return min;
   }
 
-  void truncate_to(int idx) {
-    for (int i = 0, j = idx; j < length(); i++, j++) {
-      at_put(i, at(j));
-    }
-    trunc_to(length() - idx);
-  }
-
-  void truncate_from(int idx) {
-    trunc_to(idx);
-  }
-
-  size_t data_size_in_bytes() const {
-    return _len * sizeof(E);
-  }
-
   void print() const {
     tty->print("Growable Array " PTR_FORMAT, p2i(this));
     tty->print(": length %d (capacity %d) { ", _len, _capacity);