diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -265,7 +265,8 @@
         tr("&Receive"), this);
     receiveCoinsAction->setStatusTip(
         tr("Request payments (generates QR codes and %1: URIs)")
-            .arg(GUIUtil::bitcoinURIScheme(*config)));
+            .arg(QString::fromStdString(
+                config->GetChainParams().CashAddrPrefix())));
     receiveCoinsAction->setToolTip(receiveCoinsAction->statusTip());
     receiveCoinsAction->setCheckable(true);
     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
@@ -390,8 +391,10 @@
 
     openAction = new QAction(platformStyle->TextColorIcon(":/icons/open"),
                              tr("Open &URI..."), this);
-    openAction->setStatusTip(tr("Open a %1: URI or payment request")
-                                 .arg(GUIUtil::bitcoinURIScheme(*config)));
+    openAction->setStatusTip(
+        tr("Open a %1: URI or payment request")
+            .arg(QString::fromStdString(
+                config->GetChainParams().CashAddrPrefix())));
 
     showHelpMessageAction =
         new QAction(platformStyle->TextColorIcon(":/icons/info"),
@@ -805,8 +808,9 @@
 void BitcoinGUI::updateHeadersSyncProgressLabel() {
     int64_t headersTipTime = clientModel->getHeaderTipTime();
     int headersTipHeight = clientModel->getHeaderTipHeight();
-    int estHeadersLeft = (GetTime() - headersTipTime) /
-                         Params().GetConsensus().nPowTargetSpacing;
+    int estHeadersLeft =
+        (GetTime() - headersTipTime) /
+        config->GetChainParams().GetConsensus().nPowTargetSpacing;
     if (estHeadersLeft > HEADER_HEIGHT_DELTA_SYNC) {
         progressBarLabel->setText(
             tr("Syncing Headers (%1%)...")
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -57,8 +57,6 @@
 void setupAddressWidget(QValidatedLineEdit *widget, QWidget *parent);
 void setupAmountWidget(QLineEdit *widget, QWidget *parent);
 
-QString bitcoinURIScheme(const CChainParams &, bool useCashAddr);
-QString bitcoinURIScheme(const Config &);
 // Parse "bitcoincash:" URI into recipient object, return true on successful
 // parsing
 bool parseBitcoinURI(const QString &scheme, const QUrl &uri,
diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -159,18 +159,6 @@
     widget->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
 }
 
-QString bitcoinURIScheme(const CChainParams &params, bool useCashAddr) {
-    if (!useCashAddr) {
-        return "bitcoincash";
-    }
-    return QString::fromStdString(params.CashAddrPrefix());
-}
-
-QString bitcoinURIScheme(const Config &config) {
-    return bitcoinURIScheme(config.GetChainParams(),
-                            config.UseCashAddrEncoding());
-}
-
 static bool IsCashAddrEncoded(const QUrl &uri) {
     const std::string addr = (uri.scheme() + ":" + uri.path()).toStdString();
     auto decoded = cashaddr::Decode(addr, "");
diff --git a/src/qt/paymentserver.cpp b/src/qt/paymentserver.cpp
--- a/src/qt/paymentserver.cpp
+++ b/src/qt/paymentserver.cpp
@@ -188,7 +188,7 @@
 
 static std::string ipcParseURI(const QString &arg, const CChainParams &params,
                                bool useCashAddr) {
-    const QString scheme = GUIUtil::bitcoinURIScheme(params, useCashAddr);
+    const QString scheme = QString::fromStdString(params.CashAddrPrefix());
     if (!arg.startsWith(scheme + ":", Qt::CaseInsensitive)) {
         return {};
     }
diff --git a/src/qt/sendcoinsentry.cpp b/src/qt/sendcoinsentry.cpp
--- a/src/qt/sendcoinsentry.cpp
+++ b/src/qt/sendcoinsentry.cpp
@@ -36,7 +36,8 @@
         tr("A message that was attached to the %1 URI which will be"
            " stored with the transaction for your reference. Note: "
            "This message will not be sent over the Bitcoin network.")
-            .arg(GUIUtil::bitcoinURIScheme(GetConfig())));
+            .arg(QString::fromStdString(
+                model->getChainParams().CashAddrPrefix())));
 
     setCurrentWidget(ui->SendCoins);
 
diff --git a/src/qt/test/uritests.h b/src/qt/test/uritests.h
--- a/src/qt/test/uritests.h
+++ b/src/qt/test/uritests.h
@@ -15,7 +15,6 @@
     void uriTestsBase58();
     void uriTestsCashAddr();
     void uriTestFormatURI();
-    void uriTestScheme();
 };
 
 #endif // BITCOIN_QT_TEST_URITESTS_H
diff --git a/src/qt/test/uritests.cpp b/src/qt/test/uritests.cpp
--- a/src/qt/test/uritests.cpp
+++ b/src/qt/test/uritests.cpp
@@ -202,39 +202,3 @@
                        "message=test");
     }
 }
-
-namespace {
-class UriTestConfig : public DummyConfig {
-public:
-    UriTestConfig(bool useCashAddrIn)
-        : DummyConfig(CBaseChainParams::MAIN), useCashAddr(useCashAddrIn) {}
-    bool UseCashAddrEncoding() const override { return useCashAddr; }
-
-private:
-    bool useCashAddr;
-};
-
-} // namespace
-
-void URITests::uriTestScheme() {
-    {
-        // cashaddr - scheme depends on selected chain params
-        UriTestConfig config(true);
-        config.SetChainParams(CBaseChainParams::MAIN);
-        QVERIFY("bitcoincash" == GUIUtil::bitcoinURIScheme(config));
-        config.SetChainParams(CBaseChainParams::TESTNET);
-        QVERIFY("bchtest" == GUIUtil::bitcoinURIScheme(config));
-        config.SetChainParams(CBaseChainParams::REGTEST);
-        QVERIFY("bchreg" == GUIUtil::bitcoinURIScheme(config));
-    }
-    {
-        // legacy - scheme is "bitcoincash" regardless of chain params
-        UriTestConfig config(false);
-        config.SetChainParams(CBaseChainParams::MAIN);
-        QVERIFY("bitcoincash" == GUIUtil::bitcoinURIScheme(config));
-        config.SetChainParams(CBaseChainParams::TESTNET);
-        QVERIFY("bitcoincash" == GUIUtil::bitcoinURIScheme(config));
-        config.SetChainParams(CBaseChainParams::REGTEST);
-        QVERIFY("bitcoincash" == GUIUtil::bitcoinURIScheme(config));
-    }
-}