diff --git a/src/arm/Gis_signal_frame.c b/src/arm/Gis_signal_frame.c
index a7461825..e4721858 100644
--- a/src/arm/Gis_signal_frame.c
+++ b/src/arm/Gis_signal_frame.c
@@ -1,6 +1,6 @@
 /* libunwind - a platform-independent unwind library
    Copyright (C) 2008 CodeSourcery
-   Copyright 2011 Linaro Limited 
+   Copyright 2011 Linaro Limited
 
 This file is part of libunwind.
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 0d65829e..11f4f301 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -29,10 +29,10 @@ if ARCH_IA64
 			ia64-test-setjmp ia64-test-sig
 else
 if ARCH_PPC64
-if USE_ALTIVEC 
+if USE_ALTIVEC
  noinst_PROGRAMS_arch_altivec = ppc64-test-altivec ppc64-test-wchar
 endif #USE_ALTIVEC
- noinst_PROGRAMS_arch = $(noinst_PROGRAMS_arch_altivec) ppc64-test-wchar 
+ noinst_PROGRAMS_arch = $(noinst_PROGRAMS_arch_altivec) ppc64-test-wchar
 endif #ARCH_PPC64
 endif #ARCH_IA64
  check_SCRIPTS_cdep =	run-ptrace-mapper run-ptrace-misc
@@ -108,7 +108,7 @@ Ltest_bt_SOURCES = Ltest-bt.c ident.c
 test_ptrace_misc_SOURCES = test-ptrace-misc.c ident.c
 Ltest_nomalloc_SOURCES = Ltest-nomalloc.c
 
-LIBUNWIND = $(top_builddir)/src/libunwind-$(arch).la $(LIBUNWIND_local) 
+LIBUNWIND = $(top_builddir)/src/libunwind-$(arch).la $(LIBUNWIND_local)
 LIBUNWIND_ptrace = $(top_builddir)/src/libunwind-ptrace.a
 
 if USE_ELF32
diff --git a/tests/arm-extbl-test.c b/tests/arm-extbl-test.c
index 752f59f8..730fcd7f 100644
--- a/tests/arm-extbl-test.c
+++ b/tests/arm-extbl-test.c
@@ -13,7 +13,7 @@ the following conditions:
 
 The above copyright notice and this permission notice shall be
 included in all copies or substantial portions of the Software.
-  
+
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND