1 files changed, 1 insertions, 0 deletions
diff --git a/complex.c b/complex.c
index 7a9c56d667..ad1ea8514e 100644
--- a/complex.c
+++ b/complex.c
@@ -2234,6 +2234,7 @@ Init_Complex(void)
     rb_undef_method(rb_cComplex, ">");
     rb_undef_method(rb_cComplex, ">=");
     rb_undef_method(rb_cComplex, "between?");
+    rb_undef_method(rb_cComplex, "clamp");
     rb_undef_method(rb_cComplex, "div");
     rb_undef_method(rb_cComplex, "divmod");
     rb_undef_method(rb_cComplex, "floor");