diff --git a/src/p_vmlinx.cpp b/src/p_vmlinx.cpp
index 4c7fb235..83f76628 100644
--- a/src/p_vmlinx.cpp
+++ b/src/p_vmlinx.cpp
@@ -374,109 +374,6 @@ void PackVmlinuxBase<T>::pack(OutputFile *fo)
             fo->write(&hdr_info, 2*sizeof(unsigned)); fo_off += 2*sizeof(unsigned);
             ppc32_extra += 2*sizeof(unsigned);
         }
-
-#if 0  /*{ Documentation: changes to arch/powerpc/boot/main.c */
-struct b_info {
-    unsigned sz_unc;
-    unsigned sz_cpr;
-    unsigned char b_method;
-    unsigned char b_ftid;
-    unsigned char b_cto8;
-    unsigned char b_unused;
-};
-typedef int (*upx_f_unc)(  /* uncompress */
-    unsigned char const *src, unsigned  src_len,
-    unsigned char       *dst, unsigned *dst_len,
-    int method
-);
-typedef int (*upx_f_unf)(  /* unfilter */
-    unsigned char *buf,
-    unsigned len,
-    unsigned cto8,
-    unsigned ftid
-);
-
-unsigned char const *upx_expand(  // return updated src [aligned, too]
-    unsigned char const *src,
-    unsigned char       *dst,
-    unsigned *const dst_len,
-    upx_f_unc const f_unc
-)
-{
-    if (0==*dst_len) {
-        *dst_len = ((struct b_info const *)src)->sz_unc;
-    }
-    upx_f_unf const f_unf = (upx_f_unf)(sizeof(int) + (char *)f_unc);
-    unsigned total_len = 0;
-    unsigned need = *dst_len;
-    while (0 < need) {
-        struct b_info const *const b_hdr = (struct b_info const *)src;
-        src = (unsigned char const *)(1+ b_hdr);
-        unsigned blk_len = b_hdr->sz_unc;
-        int const rv = (*f_unc)(src, b_hdr->sz_cpr, dst, &blk_len, b_hdr->b_method);
-        if (0!=rv) {
-            printf("decompress error %d\n\r", rv);
-            exit();
-        }
-        if (b_hdr->b_ftid) {
-            (*f_unf)(dst, b_hdr->sz_unc, b_hdr->b_cto8, b_hdr->b_ftid);
-        }
-        src += b_hdr->sz_cpr;
-        src += (3& -(int)src);  // 4-byte align
-        dst += b_hdr->sz_unc;
-        total_len += b_hdr->sz_unc;
-        need -= b_hdr->sz_unc;
-    }
-    *dst_len = total_len;
-    return src;
-}
-
-void prep_kernel(unsigned long a1, unsigned long a2)
-{
-    upx_f_unc f_unc = (upx_f_unc)0;
-
-    vmlinuz.addr = (unsigned long)_vmlinux_start;
-    vmlinuz.size = (unsigned long)(_vmlinux_end - _vmlinux_start);
-
-    if (0x55505821 == *(unsigned *)vmlinuz.addr) {
-        /* was compressed by upx */
-        /* Uncompress elfheader */
-        unsigned const *const fwa = (unsigned *)vmlinuz.addr;
-        f_unc = (upx_f_unc)((char *)&fwa[2] + fwa[1]);
-        unsigned dst_len = 0;
-        unsigned char const *src = (unsigned char const *)&fwa[2];
-        src = upx_expand(src, (unsigned char *)elfheader, &dst_len, f_unc);
-        unsigned const src_len = src - (unsigned char const *)&fwa[0];
-        vmlinuz.addr += src_len;
-        vmlinuz.size -= src_len;
-    } else {
-        memcpy(elfheader, (const void *)vmlinuz.addr,
-               sizeof(elfheader));
-    }
-=====
-    /* Eventually gunzip the kernel */
-    if (f_unc) {
-        /* was compressed by upx */
-        printf("upx_expand (0x%lx <- 0x%lx:0x%0lx)...",
-               vmlinux.addr, vmlinuz.addr, vmlinuz.addr+vmlinuz.size);
-        unsigned dst_len = vmlinux.size - elfoffset;
-        upx_expand((unsigned char const *)vmlinuz.addr,
-                   (unsigned char       *)vmlinux.addr, &dst_len, f_unc);
-        printf("done 0x%lx bytes\n\r", len);
-    } else {
-        memmove((void *)vmlinux.addr,(void *)vmlinuz.addr,
-            vmlinuz.size);
-        /* Skip over the ELF header */
-#ifdef DEBUG
-        printf("... skipping 0x%lx bytes of ELF header\n\r",
-                elfoffset);
-#endif
-        vmlinux.addr += elfoffset;
-    }
-=====
-}
-#endif  /*}*/
-
     }
     else {
         compressWithFilters(&ft, 512, &cconf, getStrategy(ft));