diff --git a/gcc/d/dfrontend/clone.c b/gcc/d/dfrontend/clone.c
index 39a85e39a..4e3aa77db 100644
--- a/gcc/d/dfrontend/clone.c
+++ b/gcc/d/dfrontend/clone.c
@@ -652,11 +652,7 @@ FuncDeclaration *buildXopCmp(StructDeclaration *sd, Scope *sc)
     fop->generated = true;
     Expression *e1 = new IdentifierExp(loc, Id::p);
     Expression *e2 = new IdentifierExp(loc, Id::q);
-#ifdef IN_GCC
-    Expression *e = new CallExp(loc, new DotIdExp(loc, e1, Id::cmp), e2);
-#else
     Expression *e = new CallExp(loc, new DotIdExp(loc, e2, Id::cmp), e1);
-#endif
 
     fop->fbody = new ReturnStatement(loc, e);
 
diff --git a/libphobos/libdruntime/object.d b/libphobos/libdruntime/object.d
index 85114b29a..8414896f9 100644
--- a/libphobos/libdruntime/object.d
+++ b/libphobos/libdruntime/object.d
@@ -1127,12 +1127,7 @@ class TypeInfo_Struct : TypeInfo
             return false;
         else if (xopEquals)
         {
-            version(GNU)
-            {   // BUG: GDC and DMD use different calling conventions
-                return (*xopEquals)(p2, p1);
-            }
-            else
-                return (*xopEquals)(p1, p2);
+            return (*xopEquals)(p1, p2);
         }
         else if (p1 == p2)
             return true;
@@ -1154,12 +1149,7 @@ class TypeInfo_Struct : TypeInfo
                     return true;
                 else if (xopCmp)
                 {
-                    version(GNU)
-                    {   // BUG: GDC and DMD use different calling conventions
-                        return (*xopCmp)(p1, p2);
-                    }
-                    else
-                        return (*xopCmp)(p2, p1);
+                    return (*xopCmp)(p2, p1);
                 }
                 else
                     // BUG: relies on the GC not moving objects