--- a/Makefile
+++ b/Makefile
@@ -5,11 +5,10 @@
 #   definitions and absolute paths in scripts too!
 
 # Evaluate parameters
-TLP_LIBDIR ?= /usr/lib
 TLP_SBIN   ?= /usr/sbin
 TLP_BIN    ?= /usr/bin
-TLP_TLIB    = $(TLP_LIBDIR)/tlp-pm
-TLP_PLIB    = $(TLP_LIBDIR)/pm-utils
+TLP_TLIB   ?= /usr/share/tlp-pm
+TLP_PLIB   ?= /usr/lib/pm-utils
 TLP_ULIB   ?= /lib/udev
 TLP_ACPI   ?= /etc/acpi
 TLP_NMDSP  ?= /etc/NetworkManager/dispatcher.d
--- a/tlp
+++ b/tlp
@@ -5,22 +5,21 @@
 # This software is licensed under the GPL v2 or later.
 
 # --- Constants
-readonly LIBDIRS="/usr/lib/tlp-pm /usr/lib64/tlp-pm"
+readonly LIBDIR="/usr/share/tlp-pm"
 readonly LIBS="tlp-functions tlp-rf-func"
 
 # --- Locate and source libraries
-for libdir in $LIBDIRS; do [ -d $libdir ] && break; done
-if [ ! -d $libdir ]; then
-    echo "Error: missing library directory ($LIBDIRS)." 1>&2
+if [ ! -d $LIBDIR ]; then
+    echo "Error: missing library directory ($LIBDIR)." 1>&2
     exit 1
 fi
 
 for lib in $LIBS; do
-    if [ ! -f $libdir/$lib ]; then
-        echo "Error: missing function library \'$libdir/$lib\'." 1>&2
+    if [ ! -f $LIBDIR/$lib ]; then
+        echo "Error: missing function library \'$LIBDIR/$lib\'." 1>&2
         exit 1
     fi
-    . $libdir/$lib
+    . $LIBDIR/$lib
 done
 
 # --- Subroutines
--- a/tlp-functions
+++ b/tlp-functions
@@ -33,7 +33,7 @@ readonly SYSTEMD=systemd
 readonly SYSTEMCTL=systemctl
 readonly INITCTL=initctl
 
-readonly TPACPIBAT=$libdir/tpacpi-bat # libdir is initialized by main program
+readonly TPACPIBAT=$LIBDIR/tpacpi-bat # LIBDIR is initialized by main program
 
 readonly TPACPIDIR=/sys/devices/platform/thinkpad_acpi
 readonly SMAPIDIR=/sys/devices/platform/smapi
--- a/tlp-rdw-nm
+++ b/tlp-rdw-nm
@@ -6,19 +6,18 @@
 # This software is licensed under the GPL v2 or later.
 
 # --- Constants
-readonly LIBDIRS="/usr/lib/tlp-pm /usr/lib64/tlp-pm"
+readonly LIBDIR="/usr/share/tlp-pm"
 readonly LIBS="tlp-functions tlp-rf-func"
 
 readonly RDW_NM_LOCK="rdw_nm"
 readonly RDW_NM_LOCKTIME=2
 
 # --- Locate and source libraries
-for libdir in $LIBDIRS; do [ -d $libdir ] && break; done
-[ -d $libdir ] || exit 0
+[ -d $LIBDIR ] || exit 0
 
 for lib in $LIBS; do
-    [ -f $libdir/$lib ] || exit 0
-    . $libdir/$lib
+    [ -f $LIBDIR/$lib ] || exit 0
+    . $LIBDIR/$lib
 done
 
 # --- MAIN
--- a/tlp-rdw-udev
+++ b/tlp-rdw-udev
@@ -5,19 +5,18 @@
 # This software is licensed under the GPL v2 or later.
 
 # --- Constants
-readonly LIBDIRS="/usr/lib/tlp-pm /usr/lib64/tlp-pm"
+readonly LIBDIR="/usr/share/tlp-pm"
 readonly LIBS="tlp-functions tlp-rf-func"
 
 readonly RDW_DOCK_LOCK="rdw_dock_lock"
 readonly RDW_DOCK_LOCKTIME=2
 
 # --- Locate and source libraries
-for libdir in $LIBDIRS; do [ -d $libdir ] && break; done
-[ -d $libdir ] || exit 0
+[ -d $LIBDIR ] || exit 0
 
 for lib in $LIBS; do
-    [ -f $libdir/$lib ] || exit 0
-    . $libdir/$lib
+    [ -f $LIBDIR/$lib ] || exit 0
+    . $LIBDIR/$lib
 done
 
 # --- MAIN
--- a/tlp-rf
+++ b/tlp-rf
@@ -5,16 +5,15 @@
 # This software is licensed under the GPL v2 or later.
 
 # --- Constants
-readonly LIBDIRS="/usr/lib/tlp-pm /usr/lib64/tlp-pm"
+readonly LIBDIRS="/usr/share/tlp-pm"
 readonly LIBS="tlp-functions tlp-rf-func"
 
 # --- Locate and source libraries
-for libdir in $LIBDIRS; do [ -d $libdir ] && break; done
-[ -d $libdir ] || exit 0
+[ -d $LIBDIR ] || exit 0
 
 for lib in $LIBS; do
-    [ -f $libdir/$lib ] || exit 0
-    . $libdir/$lib
+    [ -f $LIBDIR/$lib ] || exit 0
+    . $LIBDIR/$lib
 done
 
 # --- MAIN
--- a/tlp-run-on
+++ b/tlp-run-on
@@ -5,22 +5,21 @@
 # This software is licensed under the GPL v2 or later.
 
 # --- Constants
-readonly LIBDIRS="/usr/lib/tlp-pm /usr/lib64/tlp-pm"
+readonly LIBDIR="/usr/share/tlp-pm"
 readonly LIBS="tlp-functions"
 
 # --- Locate and source libraries
-for libdir in $LIBDIRS; do [ -d $libdir ] && break; done
-if [ ! -d $libdir ]; then
-    echo "Error: missing library directory ($LIBDIRS)." 1>&2
+if [ ! -d $LIBDIR ]; then
+    echo "Error: missing library directory ($LIBDIR)." 1>&2
     exit 1
 fi
 
 for lib in $LIBS; do
-    if [ ! -f $libdir/$lib ]; then
-        echo "Error: missing function library \'$libdir/$lib\'." 1>&2
+    if [ ! -f $LIBDIR/$lib ]; then
+        echo "Error: missing function library \'$LIBDIR/$lib\'." 1>&2
         exit 1
     fi
-    . $libdir/$lib
+    . $LIBDIR/$lib
 done
 
 # --- MAIN
--- a/tlp-stat
+++ b/tlp-stat
@@ -6,7 +6,7 @@
 
 # --- Constants
 
-readonly LIBDIRS="/usr/lib/tlp-pm /usr/lib64/tlp-pm"
+readonly LIBDIR="/usr/share/tlp-pm"
 readonly LIBS="tlp-functions tlp-rf-func"
 
 readonly TLPUSB=tlp-usblist
@@ -330,18 +330,17 @@ read_args () { # read command line argum
 
 # --- Locate and source libraries
 
-for libdir in $LIBDIRS; do [ -d $libdir ] && break; done
-if [ ! -d $libdir ]; then
-    echo "Error: missing library directory ($LIBDIRS)." 1>&2
+if [ ! -d $LIBDIR ]; then
+    echo "Error: missing library directory ($LIBDIR)." 1>&2
     exit 1
 fi
 
 for lib in $LIBS; do
-    if [ ! -f $libdir/$lib ]; then
-        echo "Error: missing function library \'$libdir/$lib\'." 1>&2
+    if [ ! -f $LIBDIR/$lib ]; then
+        echo "Error: missing function library \'$LIBDIR/$lib\'." 1>&2
         exit 1
     fi
-    . $libdir/$lib
+    . $LIBDIR/$lib
 done
 
 # --- MAIN