diff --git a/system/dynamips/dynamips.SlackBuild b/system/dynamips/dynamips.SlackBuild
index 77685c3673..a9edf005e9 100644
--- a/system/dynamips/dynamips.SlackBuild
+++ b/system/dynamips/dynamips.SlackBuild
@@ -74,7 +74,6 @@ find -L . \
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 
-sed -i 's/<\(libelf.h\)>/<libelf\/\1>/' common/dynamips.h common/rom2c.c
 sed -i 's/^\(\.PHONY: all dynamips\)/# \1/' Makefile
 
 if [ $ARCH == "x86_64" ]