diff --git a/webshell/tests/viewer/Makefile b/webshell/tests/viewer/Makefile
index 98073ba8213..4d14f5fffef 100644
--- a/webshell/tests/viewer/Makefile
+++ b/webshell/tests/viewer/Makefile
@@ -162,7 +162,7 @@ ifeq ($(OS_ARCH),Linux)
 endif
 
 ifeq ($(OS_ARCH),IRIX)
-	TOOLKIT_LIB_PATH    = -L/usr/openwin/lib -L/usr/dt/lib
+	TOOLKIT_LIB_PATH    = 
 	TOOLKIT_LDFLAGS     = -lXm -lXt -lX11
 	EXTRA_PRE_LDFLAGS   = -woff 84,85
 	EXTRA_POST_LDFLAGS  =
diff --git a/xpfe/xpviewer/src/Makefile b/xpfe/xpviewer/src/Makefile
index 7552757a7bf..8d33c7d1ae8 100644
--- a/xpfe/xpviewer/src/Makefile
+++ b/xpfe/xpviewer/src/Makefile
@@ -137,7 +137,7 @@ ifeq ($(OS_ARCH),Linux)
 endif
 
 ifeq ($(OS_ARCH),IRIX)
-	TOOLKIT_LIB_PATH    = -L/usr/openwin/lib -L/usr/dt/lib
+	TOOLKIT_LIB_PATH    = 
 	TOOLKIT_LDFLAGS     = -lXm -lXt -lX11
 	EXTRA_PRE_LDFLAGS   = -woff 84,85
 	EXTRA_POST_LDFLAGS  =