diff --git a/Makefile b/Makefile
index 676e2f8..7cee902 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 PACKAGE	= Todo
 VERSION	= 0.1.2
 SUBDIRS	= data po src tools
-RM	?= rm -f
-LN	?= ln -f
-TAR	?= tar -czvf
+RM	= rm -f
+LN	= ln -f
+TAR	= tar -czvf
 
 
 all: subdirs
diff --git a/data/16x16/Makefile b/data/16x16/Makefile
index a5efe63..e09473e 100644
--- a/data/16x16/Makefile
+++ b/data/16x16/Makefile
@@ -1,8 +1,8 @@
 PREFIX	= /usr/local
 DESTDIR	=
-MKDIR	?= mkdir -p
-INSTALL	?= install
-RM	?= rm -f
+MKDIR	= mkdir -p
+INSTALL	= install
+RM	= rm -f
 
 
 all:
diff --git a/data/24x24/Makefile b/data/24x24/Makefile
index 60111df..240a362 100644
--- a/data/24x24/Makefile
+++ b/data/24x24/Makefile
@@ -1,8 +1,8 @@
 PREFIX	= /usr/local
 DESTDIR	=
-MKDIR	?= mkdir -p
-INSTALL	?= install
-RM	?= rm -f
+MKDIR	= mkdir -p
+INSTALL	= install
+RM	= rm -f
 
 
 all:
diff --git a/data/48x48/Makefile b/data/48x48/Makefile
index d1f9c57..bb3810a 100644
--- a/data/48x48/Makefile
+++ b/data/48x48/Makefile
@@ -1,8 +1,8 @@
 PREFIX	= /usr/local
 DESTDIR	=
-MKDIR	?= mkdir -p
-INSTALL	?= install
-RM	?= rm -f
+MKDIR	= mkdir -p
+INSTALL	= install
+RM	= rm -f
 
 
 all:
diff --git a/data/Makefile b/data/Makefile
index 6ebed83..7052bdd 100644
--- a/data/Makefile
+++ b/data/Makefile
@@ -1,9 +1,9 @@
 SUBDIRS	= 16x16 24x24 48x48
 PREFIX	= /usr/local
 DESTDIR	=
-MKDIR	?= mkdir -p
-INSTALL	?= install
-RM	?= rm -f
+MKDIR	= mkdir -p
+INSTALL	= install
+RM	= rm -f
 
 
 all: subdirs
diff --git a/po/Makefile b/po/Makefile
index 606be00..b966a6e 100644
--- a/po/Makefile
+++ b/po/Makefile
@@ -1,10 +1,10 @@
 TARGETS	= Todo.pot fr.mo
 PREFIX	= /usr/local
 DESTDIR	=
-RM	?= rm -f
-LN	?= ln -f
-MKDIR	?= mkdir -p
-INSTALL	?= install
+RM	= rm -f
+LN	= ln -f
+MKDIR	= mkdir -p
+INSTALL	= install
 
 
 all: $(TARGETS)
diff --git a/src/Makefile b/src/Makefile
index fafe8b8..c3abafa 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,17 +3,17 @@ PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
 SBINDIR	= $(PREFIX)/sbin
-CC	?= cc
-CPPFLAGSF?=
-CPPFLAGS?=
+CC	= cc
+CPPFLAGSF=
+CPPFLAGS=
 CFLAGSF	= -W `pkg-config --cflags libSystem libDesktop`
 CFLAGS	= -Wall -g -O2 -pedantic
 LDFLAGSF= `pkg-config --libs libSystem libDesktop`
 LDFLAGS	= 
-RM	?= rm -f
-LN	?= ln -f
-MKDIR	?= mkdir -p
-INSTALL	?= install
+RM	= rm -f
+LN	= ln -f
+MKDIR	= mkdir -p
+INSTALL	= install
 
 
 all: $(TARGETS)
diff --git a/tools/Makefile b/tools/Makefile
index cff2cb1..687c01d 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -2,19 +2,19 @@ TARGETS	= todo.so
 PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
-CC	?= cc
-CPPFLAGSF?=
-CPPFLAGS?=
+CC	= cc
+CPPFLAGSF=
+CPPFLAGS=
 CFLAGSF	= -W -fPIC `pkg-config --cflags libDesktop Mailer`
 CFLAGS	= -Wall -g -O2 -pedantic
 LDFLAGSF= `pkg-config --libs libDesktop`
-AR	?= ar
-RANLIB	?= ranlib
-CCSHARED?= $(CC) -shared
-RM	?= rm -f
-LN	?= ln -f
-MKDIR	?= mkdir -p
-INSTALL	?= install
+AR	= ar
+RANLIB	= ranlib
+CCSHARED= $(CC) -shared
+RM	= rm -f
+LN	= ln -f
+MKDIR	= mkdir -p
+INSTALL	= install
 
 
 all: $(TARGETS)