diff --git a/posix.mak b/posix.mak
index 8802e2c4421..3854e189089 100644
--- a/posix.mak
+++ b/posix.mak
@@ -90,7 +90,7 @@ SRCS:=$(subst \,/,$(SRCS))
 # NOTE: a pre-compiled minit.obj has been provided in dmd for Win32	 and
 #       minit.asm is not used by dmd for Linux
 
-OBJS= $(OBJDIR)/errno_c.o $(OBJDIR)/threadasm.o $(OBJDIR)/complex.o
+OBJS= $(OBJDIR)/errno_c.o $(OBJDIR)/threadasm.o
 
 ######################## All of'em ##############################
 
diff --git a/src/rt/complex.c b/src/rt/complex.c
deleted file mode 100644
index 8abba9c16c3..00000000000
--- a/src/rt/complex.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- * Implementation of complex number support routines.
- *
- * Copyright: Copyright Digital Mars 2000 - 2010.
- * License:   <a href="http://www.boost.org/LICENSE_1_0.txt">Boost License 1.0</a>.
- * Authors:   Walter Bright
- */
-
-/*          Copyright Digital Mars 2000 - 2010.
- * Distributed under the Boost Software License, Version 1.0.
- *    (See accompanying file LICENSE or copy at
- *          http://www.boost.org/LICENSE_1_0.txt)
- */
-#include <math.h>
-
-typedef struct Complex
-{
-    long double re;
-    long double im;
-} Complex;
-
-Complex _complex_div(Complex x, Complex y)
-{
-    Complex q;
-    long double r;
-    long double den;
-
-    if (fabs(y.re) < fabs(y.im))
-    {
-        r = y.re / y.im;
-        den = y.im + r * y.re;
-        q.re = (x.re * r + x.im) / den;
-        q.im = (x.im * r - x.re) / den;
-    }
-    else
-    {
-        r = y.im / y.re;
-        den = y.re + r * y.im;
-        q.re = (x.re + r * x.im) / den;
-        q.im = (x.im - r * x.re) / den;
-    }
-    return q;
-}
-
-Complex _complex_mul(Complex x, Complex y)
-{
-    Complex p;
-
-    p.re = x.re * y.re - x.im * y.im;
-    p.im = x.im * y.re + x.re * y.im;
-    return p;
-}
-
-long double _complex_abs(Complex z)
-{
-    long double x,y,ans,temp;
-
-    x = fabs(z.re);
-    y = fabs(z.im);
-    if (x == 0)
-        ans = y;
-    else if (y == 0)
-        ans = x;
-    else if (x > y)
-    {
-        temp = y / x;
-        ans = x * sqrt(1 + temp * temp);
-    }
-    else
-    {
-        temp = x / y;
-        ans = y * sqrt(1 + temp * temp);
-    }
-    return ans;
-}
-
-Complex _complex_sqrt(Complex z)
-{
-    Complex c;
-    long double x,y,w,r;
-
-    if (z.re == 0 && z.im == 0)
-    {
-        c.re = 0;
-        c.im = 0;
-    }
-    else
-    {
-        x = fabs(z.re);
-        y = fabs(z.im);
-        if (x >= y)
-        {
-            r = y / x;
-            w = sqrt(x) * sqrt(0.5 * (1 + sqrt(1 + r * r)));
-        }
-        else
-        {
-            r = x / y;
-            w = sqrt(y) * sqrt(0.5 * (r + sqrt(1 + r * r)));
-        }
-        if (z.re >= 0)
-        {
-            c.re = w;
-            c.im = z.im / (w + w);
-        }
-        else
-        {
-            c.im = (z.im >= 0) ? w : -w;
-            c.re = z.im / (c.im + c.im);
-        }
-    }
-    return c;
-}
diff --git a/win32.mak b/win32.mak
index fc384d946c1..f8865b78db9 100644
--- a/win32.mak
+++ b/win32.mak
@@ -34,8 +34,8 @@ $(mak\SRCS)
 # NOTE: a pre-compiled minit.obj has been provided in dmd for Win32 and
 #       minit.asm is not used by dmd for Linux
 
-OBJS= errno_c.obj complex.obj src\rt\minit.obj
-OBJS_TO_DELETE= errno_c.obj complex.obj
+OBJS= errno_c.obj src\rt\minit.obj
+OBJS_TO_DELETE= errno_c.obj
 
 ######################## Doc .html file generation ##############################
 
@@ -438,9 +438,6 @@ $(IMPDIR)\etc\linux\memoryerror.d : src\etc\linux\memoryerror.d
 errno_c.obj : src\core\stdc\errno.c
 	$(CC) -c $(CFLAGS) src\core\stdc\errno.c -oerrno_c.obj
 
-complex.obj : src\rt\complex.c
-	$(CC) -c $(CFLAGS) src\rt\complex.c
-
 src\rt\minit.obj : src\rt\minit.asm
 	$(CC) -c $(CFLAGS) src\rt\minit.asm
 
diff --git a/win64.mak b/win64.mak
index 70172d4f0c9..7476c78c52b 100644
--- a/win64.mak
+++ b/win64.mak
@@ -41,8 +41,8 @@ $(mak\SRCS)
 # NOTE: a pre-compiled minit.obj has been provided in dmd for Win32 and
 #       minit.asm is not used by dmd for Linux
 
-OBJS= errno_c.obj complex.obj
-OBJS_TO_DELETE= errno_c.obj complex.obj
+OBJS= errno_c.obj
+OBJS_TO_DELETE= errno_c.obj
 
 ######################## Doc .html file generation ##############################
 
@@ -445,9 +445,6 @@ $(IMPDIR)\etc\linux\memoryerror.d : src\etc\linux\memoryerror.d
 errno_c.obj : src\core\stdc\errno.c
 	$(CC) -c $(CFLAGS) src\core\stdc\errno.c -Foerrno_c.obj
 
-complex.obj : src\rt\complex.c
-	$(CC) -c $(CFLAGS) src\rt\complex.c
-
 src\rt\minit.obj : src\rt\minit.asm
 	$(CC) -c $(CFLAGS) src\rt\minit.asm