diff --git a/src/qt/recentrequeststablemodel.h b/src/qt/recentrequeststablemodel.h
--- a/src/qt/recentrequeststablemodel.h
+++ b/src/qt/recentrequeststablemodel.h
@@ -43,7 +43,8 @@
 public:
     RecentRequestEntryLessThan(int nColumn, Qt::SortOrder fOrder)
         : column(nColumn), order(fOrder) {}
-    bool operator()(RecentRequestEntry &left, RecentRequestEntry &right) const;
+    bool operator()(const RecentRequestEntry &left,
+                    const RecentRequestEntry &right) const;
 
 private:
     int column;
diff --git a/src/qt/recentrequeststablemodel.cpp b/src/qt/recentrequeststablemodel.cpp
--- a/src/qt/recentrequeststablemodel.cpp
+++ b/src/qt/recentrequeststablemodel.cpp
@@ -9,10 +9,11 @@
 #include <qt/optionsmodel.h>
 #include <qt/walletmodel.h>
 
-#include <algorithm>
 #include <clientversion.h>
 #include <streams.h>
 
+#include <utility>
+
 RecentRequestsTableModel::RecentRequestsTableModel(WalletModel *parent)
     : QAbstractTableModel(parent), walletModel(parent) {
     // Load entries from wallet
@@ -218,10 +219,11 @@
     updateAmountColumnTitle();
 }
 
-bool RecentRequestEntryLessThan::operator()(RecentRequestEntry &left,
-                                            RecentRequestEntry &right) const {
-    RecentRequestEntry *pLeft = &left;
-    RecentRequestEntry *pRight = &right;
+bool RecentRequestEntryLessThan::
+operator()(const RecentRequestEntry &left,
+           const RecentRequestEntry &right) const {
+    const RecentRequestEntry *pLeft = &left;
+    const RecentRequestEntry *pRight = &right;
     if (order == Qt::DescendingOrder) {
         std::swap(pLeft, pRight);
     }