diff --git a/configure.ac b/configure.ac
index 9955ab9bf..4bd28c85d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
-AC_PREREQ([2.60])
+AC_PREREQ([2.69])
 define(_CLIENT_VERSION_MAJOR, 0)
 define(_CLIENT_VERSION_MINOR, 11)
 define(_CLIENT_VERSION_REVISION, 99)
@@ -138,8 +138,7 @@ AC_ARG_ENABLE([glibc-back-compat],
   [use_glibc_compat=no])
 
 AC_ARG_ENABLE([zmq],
-  [AC_HELP_STRING([--disable-zmq],
-  [Disable ZMQ notifications])],
+  [AS_HELP_STRING([--disable-zmq],[Disable ZMQ notifications])],
   [use_zmq=$enableval],
   [use_zmq=yes])
 
diff --git a/src/qt/peertablemodel.cpp b/src/qt/peertablemodel.cpp
index 85339166b..770a86054 100644
--- a/src/qt/peertablemodel.cpp
+++ b/src/qt/peertablemodel.cpp
@@ -8,7 +8,6 @@
 #include "guiconstants.h"
 #include "guiutil.h"
 
-#include "net.h"
 #include "sync.h"
 
 #include <QDebug>
@@ -96,18 +95,17 @@ public:
             mapNodeRows.insert(std::pair<NodeId, int>(stats.nodeStats.nodeid, row++));
     }
 
-    int size()
+    int size() const
     {
         return cachedNodeStats.size();
     }
 
     CNodeCombinedStats *index(int idx)
     {
-        if(idx >= 0 && idx < cachedNodeStats.size()) {
+        if (idx >= 0 && idx < cachedNodeStats.size())
             return &cachedNodeStats[idx];
-        } else {
-            return 0;
-        }
+
+        return 0;
     }
 };
 
@@ -171,7 +169,7 @@ QVariant PeerTableModel::data(const QModelIndex &index, int role) const
         }
     } else if (role == Qt::TextAlignmentRole) {
         if (index.column() == Ping)
-            return (int)(Qt::AlignRight | Qt::AlignVCenter);
+            return (QVariant)(Qt::AlignRight | Qt::AlignVCenter);
     }
 
     return QVariant();
@@ -204,13 +202,8 @@ QModelIndex PeerTableModel::index(int row, int column, const QModelIndex &parent
     CNodeCombinedStats *data = priv->index(row);
 
     if (data)
-    {
         return createIndex(row, column, data);
-    }
-    else
-    {
-        return QModelIndex();
-    }
+    return QModelIndex();
 }
 
 const CNodeCombinedStats *PeerTableModel::getNodeStats(int idx)
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index b742a47c9..ec18ea8f7 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -7,7 +7,6 @@
 
 #include "clientmodel.h"
 #include "guiutil.h"
-#include "peertablemodel.h"
 #include "platformstyle.h"
 
 #include "chainparams.h"