diff --git a/configure/CONFIG_COMMON b/configure/CONFIG_COMMON
index d142723a4..fe0353542 100644
--- a/configure/CONFIG_COMMON
+++ b/configure/CONFIG_COMMON
@@ -140,7 +140,7 @@ ALL_SRC_DIRS = $(CMPLR_SRC_DIRS) $(OS_SRC_DIRS) $(GENERIC_SRC_DIRS)
 #--------------------------------------------------
 # compile line include directories
 INSTALL_INCLUDES += \
-        -I$(INSTALL_INCLUDE)/compiler/$(CMPLR_CLASS) \
+       -I$(INSTALL_INCLUDE)/compiler/$(CMPLR_CLASS) \
        -I$(INSTALL_INCLUDE)/os/$(OS_CLASS) \
        -I$(INSTALL_INCLUDE)
 SRC_INCLUDES = -I$(COMMON_DIR) $(addprefix -I, $(wildcard $(ALL_SRC_DIRS)))
diff --git a/configure/os/CONFIG_SITE.cygwin-x86.cygwin-x86 b/configure/os/CONFIG_SITE.cygwin-x86.cygwin-x86
index be2e4a031..dee6a86f0 100644
--- a/configure/os/CONFIG_SITE.cygwin-x86.cygwin-x86
+++ b/configure/os/CONFIG_SITE.cygwin-x86.cygwin-x86
@@ -7,7 +7,4 @@
 #-------------------------------------------------------
  
 #  GNU_DIR used when COMMANDLINE_LIBRARY is READLINE
-#GNU_DIR=C:/cygwin
-
-# default minimum host hardware architecture
-#ARCH_DEP_CFLAGS += -march=i586
\ No newline at end of file
+#GNU_DIR=C:/cygwin
\ No newline at end of file
diff --git a/configure/os/CONFIG_SITE.win32-x86-cygwin.win32-x86-cygwin b/configure/os/CONFIG_SITE.win32-x86-cygwin.win32-x86-cygwin
index 21207d6d6..b28b04f64 100644
--- a/configure/os/CONFIG_SITE.win32-x86-cygwin.win32-x86-cygwin
+++ b/configure/os/CONFIG_SITE.win32-x86-cygwin.win32-x86-cygwin
@@ -1,4 +1,3 @@
 
-# default minimum host hardware architecture
-#ARCH_DEP_CFLAGS += -march=i586
+
 
diff --git a/configure/os/CONFIG_SITE.win32-x86-mingw.win32-x86-mingw b/configure/os/CONFIG_SITE.win32-x86-mingw.win32-x86-mingw
index b82efdbc5..771a4ba87 100644
--- a/configure/os/CONFIG_SITE.win32-x86-mingw.win32-x86-mingw
+++ b/configure/os/CONFIG_SITE.win32-x86-mingw.win32-x86-mingw
@@ -14,6 +14,3 @@
 #AR = $(CMPLR_PREFIX)ar -rc
 #LD = $(CMPLR_PREFIX)ld -r
 #RANLIB = $(CMPLR_PREFIX)ranlib
-
-# default minimum host hardware architecture
-ARCH_DEP_CFLAGS += -march=i586
\ No newline at end of file