diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -787,9 +787,7 @@
 
     int nBlocksToConfirm =
         getConfTargetForIndex(ui->confTargetSelector->currentIndex());
-    int estimateFoundAtBlocks = nBlocksToConfirm;
-    CFeeRate feeRate =
-        g_mempool.estimateSmartFee(nBlocksToConfirm, &estimateFoundAtBlocks);
+    CFeeRate feeRate = g_mempool.estimateFee(nBlocksToConfirm);
     // not enough data => minfee
     if (feeRate <= CFeeRate(Amount::zero())) {
         ui->labelSmartFee->setText(
@@ -811,7 +809,7 @@
         ui->labelSmartFee2->hide();
         ui->labelFeeEstimation->setText(
             tr("Estimated to begin confirmation within %n block(s).", "",
-               estimateFoundAtBlocks));
+               nBlocksToConfirm));
     }
 
     updateFeeMinimizedLabel();
diff --git a/src/txmempool.h b/src/txmempool.h
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -743,15 +743,6 @@
     TxMempoolInfo info(const uint256 &hash) const;
     std::vector<TxMempoolInfo> infoAll() const;
 
-    /**
-     * Estimate fee rate needed to get into the next nBlocks. If no answer can
-     * be given at nBlocks, return an estimate at the lowest number of blocks
-     * where one can be given.
-     */
-    CFeeRate estimateSmartFee(int nBlocks,
-                              int *answerFoundAtBlocks = nullptr) const;
-
-    /** Estimate fee rate needed to get into the next nBlocks */
     CFeeRate estimateFee(int nBlocks) const;
 
     size_t DynamicMemoryUsage() const;
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -962,16 +962,6 @@
     return std::max(GetConfig().GetMinFeePerKB(), GetMinFee(maxMempoolSize));
 }
 
-CFeeRate CTxMemPool::estimateSmartFee(int nBlocks,
-                                      int *answerFoundAtBlocks) const {
-    if (answerFoundAtBlocks != nullptr) {
-        *answerFoundAtBlocks = 1;
-    }
-    // estimateSmartFee already includes the GetMinFee check, this is the
-    // reason it takes `*this`.  It does not need std::max as above.
-    return estimateFee(nBlocks);
-}
-
 void CTxMemPool::PrioritiseTransaction(const uint256 hash,
                                        const std::string strHash,
                                        double dPriorityDelta,
diff --git a/src/wallet/fees.cpp b/src/wallet/fees.cpp
--- a/src/wallet/fees.cpp
+++ b/src/wallet/fees.cpp
@@ -18,9 +18,7 @@
     Amount nFeeNeeded = targetFee;
     // User didn't set: use -txconfirmtarget to estimate...
     if (nFeeNeeded == Amount::zero()) {
-        int estimateFoundTarget = nConfirmTarget;
-        nFeeNeeded = pool.estimateSmartFee(nConfirmTarget, &estimateFoundTarget)
-                         .GetFeeCeiling(nTxBytes);
+        nFeeNeeded = pool.estimateFee(nConfirmTarget).GetFeeCeiling(nTxBytes);
         // ... unless we don't have enough mempool data for estimatefee, then
         // use fallbackFee.
         if (nFeeNeeded == Amount::zero()) {
@@ -45,4 +43,4 @@
     // payTxFee is the user-set global for desired feerate.
     return GetMinimumFee(nTxBytes, nConfirmTarget, pool,
                          payTxFee.GetFeeCeiling(nTxBytes));
-}
\ No newline at end of file
+}