diff --git a/src/qt/paymentrequestplus.cpp b/src/qt/paymentrequestplus.cpp
index b69461ad9..de222fe14 100644
--- a/src/qt/paymentrequestplus.cpp
+++ b/src/qt/paymentrequestplus.cpp
@@ -59,12 +59,6 @@ bool PaymentRequestPlus::IsInitialized() const
     return paymentRequest.IsInitialized();
 }
 
-QString PaymentRequestPlus::getPKIType() const
-{
-    if (!IsInitialized()) return QString("none");
-    return QString::fromStdString(paymentRequest.pki_type());
-}
-
 bool PaymentRequestPlus::getMerchant(X509_STORE* certStore, QString& merchant) const
 {
     merchant.clear();
diff --git a/src/qt/paymentrequestplus.h b/src/qt/paymentrequestplus.h
index 61f8a3415..99a7186b8 100644
--- a/src/qt/paymentrequestplus.h
+++ b/src/qt/paymentrequestplus.h
@@ -29,7 +29,6 @@ public:
     bool SerializeToString(std::string* output) const;
 
     bool IsInitialized() const;
-    QString getPKIType() const;
     // Returns true if merchant's identity is authenticated, and
     // returns human-readable merchant identity in merchant
     bool getMerchant(X509_STORE* certStore, QString& merchant) const;