1 files changed, 0 insertions, 23 deletions
diff --git a/math.c b/math.c
index cea7bb801d..5b9294e781 100644
--- a/math.c
+++ b/math.c
@@ -333,28 +333,6 @@ math_log(obj, x)
 
 /*
  *  call-seq:
- *     Math.log2(numeric)    => float
- *  
- *  Returns the base 2 logarithm of <i>numeric</i>.
- */
-
-static VALUE
-math_log2(obj, x)
-    VALUE obj, x;
-{
-    double d;
-
-    Need_Float(x);
-    errno = 0;
-    d = log2(RFLOAT(x)->value);
-    if (errno) {
-	rb_sys_fail("log2");
-    }
-    return rb_float_new(d);
-}
-
-/*
- *  call-seq:
  *     Math.log10(numeric)    => float
  *  
  *  Returns the base 10 logarithm of <i>numeric</i>.
@@ -533,7 +511,6 @@ Init_Math()
 
     rb_define_module_function(rb_mMath, "exp", math_exp, 1);
     rb_define_module_function(rb_mMath, "log", math_log, 1);
-    rb_define_module_function(rb_mMath, "log2", math_log, 1);
     rb_define_module_function(rb_mMath, "log10", math_log10, 1);
     rb_define_module_function(rb_mMath, "sqrt", math_sqrt, 1);