diff --git a/asminc/atari.mac b/asminc/atari.mac
index 8e76888d7..3916254d0 100644
--- a/asminc/atari.mac
+++ b/asminc/atari.mac
@@ -1,5 +1,5 @@
 ; Convert characters to screen codes
-                                                              
+
 ; Helper macro that converts and outputs one character
 .macro _scrcode char
         .if (char >= 0) .and (char <= 31)
diff --git a/samples/atari2600/Makefile b/samples/atari2600/Makefile
index a02ec9e80..bd2ebc41a 100644
--- a/samples/atari2600/Makefile
+++ b/samples/atari2600/Makefile
@@ -31,7 +31,7 @@ else
   CL := $(if $(wildcard ../../bin/cl65*),../../bin/cl65,cl65)
   LD := $(if $(wildcard ../../bin/ld65*),../../bin/ld65,ld65)
   SP := $(if $(wildcard ../../bin/sp65*),../../bin/sp65,sp65)
-endif 
+endif
 
 EXELIST_atari2600 = \
         hello
diff --git a/samples/cbm/Makefile b/samples/cbm/Makefile
index 989710932..03387a061 100644
--- a/samples/cbm/Makefile
+++ b/samples/cbm/Makefile
@@ -31,7 +31,7 @@ else
   CL := $(if $(wildcard ../../bin/cl65*),../../bin/cl65,cl65)
   LD := $(if $(wildcard ../../bin/ld65*),../../bin/ld65,ld65)
   SP := $(if $(wildcard ../../bin/sp65*),../../bin/sp65,sp65)
-endif 
+endif
 
 ifneq ($(filter disk samples.%,$(MAKECMDGOALS)),)
   ifdef CC65_HOME
diff --git a/samples/geos/Makefile b/samples/geos/Makefile
index 04de0aaa3..1fc49a873 100644
--- a/samples/geos/Makefile
+++ b/samples/geos/Makefile
@@ -44,7 +44,7 @@ else
   CL := $(if $(wildcard ../../bin/cl65*),../../bin/cl65,cl65)
   LD := $(if $(wildcard ../../bin/ld65*),../../bin/ld65,ld65)
   SP := $(if $(wildcard ../../bin/sp65*),../../bin/sp65,sp65)
-endif 
+endif
 
 DIRLIST = grc
 
diff --git a/samples/supervision/Makefile b/samples/supervision/Makefile
index 5829b3f01..097329384 100644
--- a/samples/supervision/Makefile
+++ b/samples/supervision/Makefile
@@ -31,7 +31,7 @@ else
   CL := $(if $(wildcard ../../bin/cl65*),../../bin/cl65,cl65)
   LD := $(if $(wildcard ../../bin/ld65*),../../bin/ld65,ld65)
   SP := $(if $(wildcard ../../bin/sp65*),../../bin/sp65,sp65)
-endif 
+endif
 
 EXELIST_supervision = \
         hello
diff --git a/samples/tutorial/Makefile b/samples/tutorial/Makefile
index 67dd84003..eb8627c29 100644
--- a/samples/tutorial/Makefile
+++ b/samples/tutorial/Makefile
@@ -29,7 +29,7 @@ else
   CC := $(if $(wildcard ../../bin/cc65*),../../bin/cc65,cc65)
   CL := $(if $(wildcard ../../bin/cl65*),../../bin/cl65,cl65)
   LD := $(if $(wildcard ../../bin/ld65*),../../bin/ld65,ld65)
-endif 
+endif
 
 EXELIST_atari2600 = \
 	notavailable