diff --git a/unix/configure.ac b/unix/configure.ac
index 63e158f..a01a657 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -21,10 +21,6 @@
   USE_MITSHM=yes
   USE_SUN_OVL=yes
   ;;
-"Linux"*)
-  LINUX=yes
-  USE_MITSHM=yes
-  ;;
 "IRIX 6"*)
   LDFLAGS="-L/usr/lib32 $LDFLAGS"
   USE_MITSHM=yes
@@ -57,18 +53,6 @@
   fi
 fi
 
-dnl Check for IRIX-specific Compression Library.
-AC_CHECK_LIB(cl, clQuerySchemeFromName,
-  [AC_DEFINE(HAVE_CL)
-  CL_LIB=-lcl])
-AC_SUBST(CL_LIB)
-
-dnl Check for IRIX-specific Digital Media libraries.
-AC_CHECK_LIB(dmedia, dmICCreate,
-  [AC_DEFINE(HAVE_DMEDIA)
-  DMEDIA_LIB=-ldmedia])
-AC_SUBST(DMEDIA_LIB)
-
 AC_PATH_XTRA
 
 AC_ARG_ENABLE(vncconfig,
diff --git a/unix/vncviewer/Makefile.am b/unix/vncviewer/Makefile.am
index bfd31e5..e6e6c38 100644
--- a/unix/vncviewer/Makefile.am
+++ b/unix/vncviewer/Makefile.am
@@ -13,5 +13,4 @@
 
 vncviewer_LDADD = $(top_srcdir)/tx/libtx.la $(COMMON_DIR)/rfb/librfb.la \
 	$(COMMON_DIR)/network/libnetwork.la $(COMMON_DIR)/rdr/librdr.la \
-	@X_PRE_LIBS@ @X_LIBS@ -lXext -lX11 @X_EXTRA_LIBS@ @CL_LIB@ \
-	@DMEDIA_LIB@ # @LIBINTL@
+	@X_PRE_LIBS@ @X_LIBS@ -lXext -lX11 @X_EXTRA_LIBS@ # @LIBINTL@
diff --git a/unix/x0vncserver/Makefile.am b/unix/x0vncserver/Makefile.am
index 5b22956..1c50c84 100644
--- a/unix/x0vncserver/Makefile.am
+++ b/unix/x0vncserver/Makefile.am
@@ -17,4 +17,4 @@
 x0vncserver_LDADD = $(COMMON_DIR)/rfb/librfb.la \
 	$(COMMON_DIR)/network/libnetwork.la $(COMMON_DIR)/rdr/librdr.la \
 	$(top_srcdir)/tx/libtx.la @INET_LIB@ @X_PRE_LIBS@ @X_LIBS@ \
-	@XTEST_LIB@ -lXext -lX11 @X_EXTRA_LIBS@ @CL_LIB@ @DMEDIA_LIB@
+	@XTEST_LIB@ -lXext -lX11 @X_EXTRA_LIBS@