--- stardict/tools/configure.ac
+++ stardict/tools/configure.ac
@@ -119,10 +119,6 @@ AC_SUBST(LFS_CFLAGS)
 AC_SUBST(LFS_LDFLAGS)
 AC_SUBST(LFS_LIBS)
 
-dnl For src/dsl2dict.c
-PKG_CHECK_MODULES(DSL2DICT, libpcre)
-AC_CHECK_FUNCS([getline mempcpy])
-
 dnl Many programs use iconv function. Determine whether it is available and the
 dnl type of the second argument: whether it is char ** or const char **.
 dnl The AM_ICONV macro is a part of gettext package.