diff --git a/gcc/config/alpha/xm-openbsd.h b/gcc/config/alpha/xm-openbsd.h
index 50f436695a71d32f6ffef1ee06d9597f78bfa9f1..e77b8be047258073a81ef5d0d6dc9b271b6ca159 100644
--- a/gcc/config/alpha/xm-openbsd.h
+++ b/gcc/config/alpha/xm-openbsd.h
@@ -20,4 +20,3 @@ Boston, MA 02111-1307, USA.  */
 
 #include <xm-openbsd.h>
 #include <alpha/xm-alpha.h>
-
diff --git a/gcc/config/arm/xm-linux.h b/gcc/config/arm/xm-linux.h
index ca120a9c8a69d19aad6e6981a4c31e4219d410ba..4b63fb969e3ff6c1f6539b2f2690b845d8a06801 100644
--- a/gcc/config/arm/xm-linux.h
+++ b/gcc/config/arm/xm-linux.h
@@ -21,4 +21,3 @@ Boston, MA 02111-1307, USA.  */
 
 #include <arm/xm-arm.h>
 #include <xm-linux.h>
-
diff --git a/gcc/config/i386/xm-dgux.h b/gcc/config/i386/xm-dgux.h
index 5bdb9be0ebb4df0cae9092d24964d9e9c4947270..d322b47e75d72531e4fc20e603025131249f208c 100644
--- a/gcc/config/i386/xm-dgux.h
+++ b/gcc/config/i386/xm-dgux.h
@@ -1,4 +1,3 @@
-
 /* Configuration for GCC for Intel i386 running DG/ux */
 
 /* looks just like sysv4 for now */
diff --git a/gcc/config/i386/xm-djgpp.h b/gcc/config/i386/xm-djgpp.h
index f9932589214270ec11e00053962c8de9271aa757..95d55fb9c13fdd8ba47f1e545e0b4f2c37426f83 100644
--- a/gcc/config/i386/xm-djgpp.h
+++ b/gcc/config/i386/xm-djgpp.h
@@ -110,4 +110,3 @@ Boston, MA 02111-1307, USA.  */
     if (strchr (PATH, DIR_SEPARATOR_2) == NULL) \
       return PATH; \
   } while (0)
-
diff --git a/gcc/config/i386/xm-gnu.h b/gcc/config/i386/xm-gnu.h
index 0b5985f9065cc5a346522deaee61e6206b558f53..240e9041178d69822ea1e2f841644dbd70b56cdd 100644
--- a/gcc/config/i386/xm-gnu.h
+++ b/gcc/config/i386/xm-gnu.h
@@ -2,4 +2,3 @@
 
 #include <i386/xm-i386.h>
 #include <xm-gnu.h>
-
diff --git a/gcc/config/i386/xm-linux.h b/gcc/config/i386/xm-linux.h
index 713bf3b2817aee20f16d6c5ce7aca363017effee..84c9f6737e233691cb37b8a3ac99fe96f0e40df2 100644
--- a/gcc/config/i386/xm-linux.h
+++ b/gcc/config/i386/xm-linux.h
@@ -21,4 +21,3 @@ Boston, MA 02111-1307, USA.  */
 
 #include <i386/xm-i386.h>
 #include <xm-linux.h>
-
diff --git a/gcc/config/i386/xm-openbsd.h b/gcc/config/i386/xm-openbsd.h
index 1a79e83bc4a49c0c24d6d6bad5d72690801c05bd..dac2de2de7693c3bf33f058837ad7eb17557b144 100644
--- a/gcc/config/i386/xm-openbsd.h
+++ b/gcc/config/i386/xm-openbsd.h
@@ -20,4 +20,3 @@ Boston, MA 02111-1307, USA.  */
 
 #include <xm-openbsd.h>
 #include <i386/xm-i386.h>
-
diff --git a/gcc/config/i386/xm-sco5.h b/gcc/config/i386/xm-sco5.h
index 6b22b1d549fd5230516a83e567523988c9b342d0..36d65e569c322f5340d670857f76577584f30aeb 100644
--- a/gcc/config/i386/xm-sco5.h
+++ b/gcc/config/i386/xm-sco5.h
@@ -3,5 +3,3 @@
 /* Big buffers improve performance.  */
 
 #define IO_BUFFER_SIZE (0x8000 - 1024)
-
-
diff --git a/gcc/config/m68k/xm-openbsd.h b/gcc/config/m68k/xm-openbsd.h
index c4312ff8725aeae8f5a4c76ae07e191ab645253c..b22e13c1283cf11c944deaa841c3c72b94d194d5 100644
--- a/gcc/config/m68k/xm-openbsd.h
+++ b/gcc/config/m68k/xm-openbsd.h
@@ -20,4 +20,3 @@ Boston, MA 02111-1307, USA.  */
 
 #include <xm-openbsd.h>
 #include <m68k/xm-m68k.h>
-
diff --git a/gcc/config/sparc/xm-openbsd.h b/gcc/config/sparc/xm-openbsd.h
index 2df7fb3e363937ce8ca6fdf3b3c3a68a2d0a650c..5e066cc252ba406b38177944c0cbfd7c1b201709 100644
--- a/gcc/config/sparc/xm-openbsd.h
+++ b/gcc/config/sparc/xm-openbsd.h
@@ -20,4 +20,3 @@ Boston, MA 02111-1307, USA.  */
 
 #include <xm-openbsd.h>
 #include <sparc/xm-sparc.h>
-
diff --git a/gcc/config/sparc/xm-pbd.h b/gcc/config/sparc/xm-pbd.h
index 1c3f47590c7986799797985dbf0cf1f889a09284..a277aadf3d3d5bc14e5e2b127f409aa0e2d3a9f1 100644
--- a/gcc/config/sparc/xm-pbd.h
+++ b/gcc/config/sparc/xm-pbd.h
@@ -7,4 +7,3 @@
 #ifndef __GNUC__
 #define USE_C_ALLOCA
 #endif
-
diff --git a/gcc/config/xm-openbsd.h b/gcc/config/xm-openbsd.h
index 74a842184c37c792f082c3d69fbbe5204ce90598..b18e7fe38d3015bfbcea1af75715bc8d26c0506c 100644
--- a/gcc/config/xm-openbsd.h
+++ b/gcc/config/xm-openbsd.h
@@ -17,6 +17,7 @@ You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
+
 /* This file gets included by all architectures. It holds stuff
    that ought to be defined when hosting a compiler on an OpenBSD
    machine, independently of the architecture. It's included by
@@ -31,5 +32,3 @@ Boston, MA 02111-1307, USA.  */
 #ifdef __GNUC__
 #define alloca __builtin_alloca
 #endif
-
-
diff --git a/gcc/config/xm-svr4.h b/gcc/config/xm-svr4.h
index 490bb906de5a8ff9501e847dbeae02e869b63966..741a500ac62ba37409bd5f6489a13095c3b4e63e 100644
--- a/gcc/config/xm-svr4.h
+++ b/gcc/config/xm-svr4.h
@@ -19,5 +19,4 @@ the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
 #define USG
-
 #define POSIX