diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h
index efee493..abb03b8 100644
--- a/include/linux/compiler-gcc5.h
+++ b/include/linux/compiler-gcc5.h
@@ -12,10 +12,6 @@
    like BUG(), printk(), panic() etc. [but let's keep them for now for
    older compilers]

-   Early snapshots of gcc 4.3 don't support this and we can't detect this
-   in the preprocessor, but we can live with this because they're unreleased.
-   Maketime probing would be overkill here.
-
    gcc also has a __attribute__((__hot__)) to move hot functions into
    a special section, but I don't see any sense in this right now in
    the kernel context */
@@ -32,10 +28,6 @@
  * Mark a position in code as unreachable.  This can be used to
  * suppress control flow warnings after asm blocks that transfer
  * control elsewhere.
- *
- * Early snapshots of gcc 4.5 don't support this and we can't detect
- * this in the preprocessor, but we can live with this because they're
- * unreleased.  Really, we need to have autoconf for the kernel.
  */
 #define unreachable() __builtin_unreachable()