diff --git a/redhat/dependencies/arts/trinity-arts-3.5.13.spec b/redhat/dependencies/arts/trinity-arts-3.5.13.spec
index 23d08c4d9..e86dfbf5b 100755
--- a/redhat/dependencies/arts/trinity-arts-3.5.13.spec
+++ b/redhat/dependencies/arts/trinity-arts-3.5.13.spec
@@ -6,7 +6,6 @@
 # If TDE is built in a specific prefix (e.g. /opt/trinity), the release will be suffixed with ".opt".
 %if "%{?_prefix}" != "/usr"
 %define _variant .opt
-%define _libdir %{_prefix}/lib
 %endif
 
 
diff --git a/redhat/dependencies/dbus-tqt/dbus-tqt-3.5.13.spec b/redhat/dependencies/dbus-tqt/dbus-tqt-3.5.13.spec
index 94d9644cc..e0c34fb5e 100644
--- a/redhat/dependencies/dbus-tqt/dbus-tqt-3.5.13.spec
+++ b/redhat/dependencies/dbus-tqt/dbus-tqt-3.5.13.spec
@@ -6,7 +6,6 @@
 # If TDE is built in a specific prefix (e.g. /opt/trinity), the release will be suffixed with ".opt".
 %if "%{?_prefix}" != "/usr"
 %define _variant .opt
-%define _libdir %{_prefix}/lib
 %endif
 
 Name:		dbus-tqt
diff --git a/redhat/dependencies/tqtinterface/tqtinterface-3.5.13.spec b/redhat/dependencies/tqtinterface/tqtinterface-3.5.13.spec
index a2c17a166..a0a07dbae 100755
--- a/redhat/dependencies/tqtinterface/tqtinterface-3.5.13.spec
+++ b/redhat/dependencies/tqtinterface/tqtinterface-3.5.13.spec
@@ -6,7 +6,6 @@
 # If TDE is built in a specific prefix (e.g. /opt/trinity), the release will be suffixed with ".opt".
 %if "%{?_prefix}" != "/usr"
 %define _variant .opt
-%define _libdir %{_prefix}/lib
 %endif
 
 # TQT include files may conflict with QT4 includes, so we move them to a subdirectory.
diff --git a/redhat/kdebase/trinity-kdebase-3.5.13.spec b/redhat/kdebase/trinity-kdebase-3.5.13.spec
index a6c18371d..e665696e7 100755
--- a/redhat/kdebase/trinity-kdebase-3.5.13.spec
+++ b/redhat/kdebase/trinity-kdebase-3.5.13.spec
@@ -6,7 +6,6 @@
 # If TDE is built in a specific prefix (e.g. /opt/trinity), the release will be suffixed with ".opt".
 %if "%{?_prefix}" != "/usr"
 %define _variant .opt
-%define _libdir %{_prefix}/lib
 %define _docdir %{_prefix}/share/doc
 %endif
 
diff --git a/redhat/kdelibs/trinity-kdelibs-3.5.13.spec b/redhat/kdelibs/trinity-kdelibs-3.5.13.spec
index e122f53bd..efa1ae90a 100755
--- a/redhat/kdelibs/trinity-kdelibs-3.5.13.spec
+++ b/redhat/kdelibs/trinity-kdelibs-3.5.13.spec
@@ -6,7 +6,6 @@
 # If TDE is built in a specific prefix (e.g. /opt/trinity), the release will be suffixed with ".opt".
 %if "%{?_prefix}" != "/usr"
 %define _variant .opt
-%define _libdir %{_prefix}/lib
 %define _docdir %{_prefix}/share/doc
 %endif