diff --git a/bin/makefile-cygwin.x86_64-x b/bin/makefile-cygwin.x86_64-x
index 8196c5af..4fc7b942 100644
--- a/bin/makefile-cygwin.x86_64-x
+++ b/bin/makefile-cygwin.x86_64-x
@@ -1,7 +1,7 @@
 # Options for Linux, Intel x86_64 and X-Window
 
-#CC = gcc -m64 $(GCC_CFLAGS)
-CC = clang -m64 $(CLANG_CFLAGS)
+#CC = gcc $(GCC_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-darwin.386-x b/bin/makefile-darwin.386-x
index 7cb52d32..0a15ad80 100644
--- a/bin/makefile-darwin.386-x
+++ b/bin/makefile-darwin.386-x
@@ -1,6 +1,6 @@
 # Options for MacOS, x86 processor, X windows
 
-CC = clang -m32 $(CLANG_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-darwin.x86_64-x b/bin/makefile-darwin.x86_64-x
index e17f10bc..a8447b2e 100644
--- a/bin/makefile-darwin.x86_64-x
+++ b/bin/makefile-darwin.x86_64-x
@@ -1,6 +1,6 @@
 # Options for MacOS, x86 processor, X windows
 
-CC = clang -m64 $(CLANG_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-freebsd.386-x b/bin/makefile-freebsd.386-x
index d4cbfe9d..4118e71c 100644
--- a/bin/makefile-freebsd.386-x
+++ b/bin/makefile-freebsd.386-x
@@ -1,6 +1,6 @@
 # Options for FreeBSD, Intel 386/486 and X Windows
 
-CC = clang -m32 $(CLANG_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-init.386 b/bin/makefile-init.386
index 4d43e346..dc87aa51 100644
--- a/bin/makefile-init.386
+++ b/bin/makefile-init.386
@@ -1,6 +1,6 @@
 # Options for MacOS, x86 processor, X windows, for INIT processing
 
-CC = clang -m32 $(CLANG_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-linux.386-x b/bin/makefile-linux.386-x
index 7081981a..748873bd 100644
--- a/bin/makefile-linux.386-x
+++ b/bin/makefile-linux.386-x
@@ -1,7 +1,8 @@
 # Options for Linux, Intel 386/486 and X-Window
 
-#CC = gcc -m32 $(GCC_CFLAGS)
-CC = clang -m32 $(CLANG_CFLAGS)
+#CC = gcc $(GCC_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
+
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
 	$(OBJECTDIR)dspif.o \
diff --git a/bin/makefile-linux.x86_64-x b/bin/makefile-linux.x86_64-x
index 8196c5af..4fc7b942 100644
--- a/bin/makefile-linux.x86_64-x
+++ b/bin/makefile-linux.x86_64-x
@@ -1,7 +1,7 @@
 # Options for Linux, Intel x86_64 and X-Window
 
-#CC = gcc -m64 $(GCC_CFLAGS)
-CC = clang -m64 $(CLANG_CFLAGS)
+#CC = gcc $(GCC_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-openbsd.x86_64-x b/bin/makefile-openbsd.x86_64-x
index 05c17520..a543d92a 100644
--- a/bin/makefile-openbsd.x86_64-x
+++ b/bin/makefile-openbsd.x86_64-x
@@ -1,6 +1,6 @@
 # Options for OpenBSD, Intel x86_64 and X-Window
 
-CC = clang -m64 $(CLANG_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-sunos5.386-x b/bin/makefile-sunos5.386-x
index f3a62e15..0ef667a1 100644
--- a/bin/makefile-sunos5.386-x
+++ b/bin/makefile-sunos5.386-x
@@ -10,7 +10,7 @@
 #*									*/
 #************************************************************************/
 
-CC = clang -m32 $(CLANG_CFLAGS)
+CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-sunos5.sparc-x b/bin/makefile-sunos5.sparc-x
index 1540e33c..aebc4eae 100644
--- a/bin/makefile-sunos5.sparc-x
+++ b/bin/makefile-sunos5.sparc-x
@@ -15,9 +15,9 @@
 # Setup for using gcc
 #  CC = gcc $(GCC_CFLAGS)
 # Setup for using Solaris Developer Studio 12.6 cc
-#  CC = cc -m32 $(DEVSTUDIO_CFLAGS)
+#  CC = cc $(DEVSTUDIO_CFLAGS)
 
-CC = cc -m32 $(DEVSTUDIO_CFLAGS)
+CC = cc $(DEVSTUDIO_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \