diff --git a/src/rt/arrayassign.d b/src/rt/arrayassign.d
index 21d50b0413..9a34ec750f 100644
--- a/src/rt/arrayassign.d
+++ b/src/rt/arrayassign.d
@@ -162,45 +162,6 @@ extern (C) void[] _d_arrayassign_r(TypeInfo ti, void[] src, void[] dst, void* pt
     return dst;
 }
 
-/**
- * Does array initialization (not assignment) from another
- * array of the same element type.
- * ti is the element type.
- */
-extern (C) void[] _d_arrayctor(TypeInfo ti, void[] from, void[] to)
-{
-    debug(PRINTF) printf("_d_arrayctor(from = %p,%d, to = %p,%d) size = %d\n", from.ptr, from.length, to.ptr, to.length, ti.tsize);
-
-
-    auto element_size = ti.tsize;
-
-    enforceRawArraysConformable("initialization", element_size, from, to);
-
-    size_t i;
-    try
-    {
-        for (i = 0; i < to.length; i++)
-        {
-            // Copy construction is defined as bit copy followed by postblit.
-            memcpy(to.ptr + i * element_size, from.ptr + i * element_size, element_size);
-            ti.postblit(to.ptr + i * element_size);
-        }
-    }
-    catch (Throwable o)
-    {
-        /* Destroy, in reverse order, what we've constructed so far
-         */
-        while (i--)
-        {
-            ti.destroy(to.ptr + i * element_size);
-        }
-
-        throw o;
-    }
-    return to;
-}
-
-
 /**
  * Do assignment to an array.
  *      p[0 .. count] = value;
@@ -227,36 +188,3 @@ extern (C) void* _d_arraysetassign(void* p, void* value, int count, TypeInfo ti)
         free(ptmp);
     return pstart;
 }
-
-/**
- * Do construction of an array.
- *      ti[count] p = value;
- */
-extern (C) void* _d_arraysetctor(void* p, void* value, int count, TypeInfo ti)
-{
-    void* pstart = p;
-    auto element_size = ti.tsize;
-
-    try
-    {
-        foreach (i; 0 .. count)
-        {
-            // Copy construction is defined as bit copy followed by postblit.
-            memcpy(p, value, element_size);
-            ti.postblit(p);
-            p += element_size;
-        }
-    }
-    catch (Throwable o)
-    {
-        // Destroy, in reverse order, what we've constructed so far
-        while (p > pstart)
-        {
-            p -= element_size;
-            ti.destroy(p);
-        }
-
-        throw o;
-    }
-    return pstart;
-}
diff --git a/src/rt/lifetime.d b/src/rt/lifetime.d
index 96d9a804d7..5a18968f6e 100644
--- a/src/rt/lifetime.d
+++ b/src/rt/lifetime.d
@@ -163,23 +163,6 @@ extern (C) void _d_delclass(Object* p) @weak
     }
 }
 
-/**
- * This is called for a delete statement where the value
- * being deleted is a pointer to a struct with a destructor
- * but doesn't have an overloaded delete operator.
- */
-extern (C) void _d_delstruct(void** p, TypeInfo_Struct inf) @weak
-{
-    if (*p)
-    {
-        debug(PRINTF) printf("_d_delstruct(%p, %p)\n", *p, cast(void*)inf);
-
-        inf.destroy(*p);
-        GC.free(*p);
-        *p = null;
-    }
-}
-
 // strip const/immutable/shared/inout from type info
 inout(TypeInfo) unqualify(return scope inout(TypeInfo) cti) pure nothrow @nogc
 {
@@ -1872,23 +1855,6 @@ do
     return *p;
 }
 
-/**
- * Append y[] to array x[]
- */
-extern (C) void[] _d_arrayappendT(const TypeInfo ti, ref byte[] x, byte[] y) @weak
-{
-    import core.stdc.string;
-    auto length = x.length;
-    auto tinext = unqualify(ti.next);
-    auto sizeelem = tinext.tsize;              // array element size
-    _d_arrayappendcTX(ti, x, y.length);
-    memcpy(x.ptr + length * sizeelem, y.ptr, y.length * sizeelem);
-
-    // do postblit
-    __doPostblit(x.ptr + length * sizeelem, y.length * sizeelem, tinext);
-    return x;
-}
-
 
 /**
  *
@@ -2606,11 +2572,6 @@ deprecated unittest
         }
     }
 
-    dtorCount = 0;
-    S1* s1 = new S1;
-    _d_delstruct(cast(void**)&s1, typeid(typeof(*s1))); // delete s1;
-    assert(dtorCount == 1);
-
     dtorCount = 0;
     S1[] arr1 = new S1[7];
     _d_delarray_t(cast(void[]*)&arr1, typeid(typeof(arr1[0]))); // delete arr1;
diff --git a/src/rt/tracegc.d b/src/rt/tracegc.d
index c8a7172bf9..f7e7925b39 100644
--- a/src/rt/tracegc.d
+++ b/src/rt/tracegc.d
@@ -29,7 +29,6 @@ extern (C) void _d_callfinalizer(void* p);
 extern (C) void _d_callinterfacefinalizer(void *p);
 extern (C) void _d_delclass(Object* p);
 extern (C) void _d_delinterface(void** p);
-extern (C) void _d_delstruct(void** p, TypeInfo_Struct inf);
 extern (C) void _d_delarray_t(void[]* p, const TypeInfo_Struct _);
 extern (C) void _d_delmemory(void* *p);
 extern (C) byte[] _d_arraycatT(const TypeInfo ti, byte[] x, byte[] y);
@@ -37,7 +36,6 @@ extern (C) void[] _d_arraycatnTX(const TypeInfo ti, scope byte[][] arrs);
 extern (C) void* _d_arrayliteralTX(const TypeInfo ti, size_t length);
 extern (C) void* _d_assocarrayliteralTX(const TypeInfo_AssociativeArray ti,
     void[] keys, void[] vals);
-extern (C) void[] _d_arrayappendT(const TypeInfo ti, ref byte[] x, byte[] y);
 extern (C) byte[] _d_arrayappendcTX(const TypeInfo ti, return scope ref byte[] px, size_t n);
 extern (C) void[] _d_arrayappendcd(ref byte[] x, dchar c);
 extern (C) void[] _d_arrayappendwd(ref byte[] x, dchar c);