diff --git a/configure.ac b/configure.ac
index 867e29029..0b7f89448 100644
--- a/configure.ac
+++ b/configure.ac
@@ -256,9 +256,6 @@ AC_SUBST(sqlite_include)
 AC_SUBST(sqlite_bin)
 
 
-AC_CHECK_LIB(pthread, pthread_mutex_init)
-
-
 AC_ARG_ENABLE(init-state, AC_HELP_STRING([--disable-init-state],
   [do not initialise DB etc. in `make install']),
   init_state=$enableval, init_state=yes)