How I can eliminate the date on the top right in a slide?

Question

I use Warsaw theme but the date appear on the top right of each slide. How I can eliminate this date?

---

PREAMBLE

\documentclass{beamer}
\usetheme{Warsaw}
\setbeamertemplate{headline}{}
\useinnertheme{default}
\useoutertheme{shadow}
\usefonttheme{default}
\addtobeamertemplate{headline}{}{\vskip2pt}
\usefonttheme{structurebold}
\setbeamertemplate{footline}[frame number]
\setbeamercovered{transparent}
\setbeamercovered{invisible}
\setbeamertemplate{navigation symbols}{}

\usepackage{latexsym}
\usepackage{pgf}
\usepackage{mathrsfs}
\usepackage[english]{babel}
\usepackage{verbatim}
\usepackage{epsfig}
\usepackage{graphicx}
\usepackage{color}
\usepackage{import}
\usepackage{transparent}
\usepackage{bussproofs}
\usepackage{qtree}
\usepackage{tree-dvips}
\usepackage{lingmacros}
\usepackage{mathrsfs}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{latexsym}
\usepackage{amsthm}
\setbeamercovered{dynamic}
\usepackage{newlfont}
\usepackage{multirow}
\usepackage{array,cmll}
\usepackage{mathdots}
\usepackage{textcomp}
\usepackage{bbding}
\usepackage{accents}
\usepackage{rotating}
\usepackage{logreq}
\usepackage{biblatex}
\usepackage{biblist}
\usepackage{hyperref}

Answer 1

biblist defines an even/odd header by default. To remove this, redefine it after loading biblist:

\usepackage{biblist}% http://ctan.org/pkg/biblist
\makeatletter
\def\@oddhead{}% Formerly {\reset@font\rm \hfil \leftmark \quad (\today)}
\def\@evenhead{}% Forerly {\reset@font\rm (\today)\quad \ignorespaces \rightmark \hfil}
\makeatother