diff --git a/src/test/policyestimator_tests.cpp b/src/test/policyestimator_tests.cpp
--- a/src/test/policyestimator_tests.cpp
+++ b/src/test/policyestimator_tests.cpp
@@ -222,8 +222,7 @@
     }
 
     // Test that if the mempool is limited, estimateSmartFee won't return a
-    // value below the mempool min fee and that estimateSmartPriority returns
-    // essentially an infinite value
+    // value below the mempool min
     mpool.addUnchecked(
         tx.GetId(),
         entry.Fee(feeV[5]).Time(GetTime()).Priority(0).Height(blocknum).FromTx(
@@ -237,8 +236,6 @@
                     mpool.estimateFee(i).GetFeePerK());
         BOOST_CHECK(mpool.estimateSmartFee(i).GetFeePerK() >=
                     mpool.GetMinFee(1).GetFeePerK());
-        BOOST_CHECK(mpool.estimateSmartPriority(i) ==
-                    double(INF_PRIORITY.GetSatoshis()));
     }
 }
 
diff --git a/src/txmempool.h b/src/txmempool.h
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -727,14 +727,6 @@
     /** Estimate fee rate needed to get into the next nBlocks */
     CFeeRate estimateFee(int nBlocks) const;
 
-    /**
-     * Estimate priority 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.
-     */
-    double estimateSmartPriority(int nBlocks,
-                                 int *answerFoundAtBlocks = nullptr) const;
-
     /** Write/Read estimates to disk */
     bool WriteFeeEstimates(CAutoFile &fileout) const;
     bool ReadFeeEstimates(CAutoFile &filein);
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -941,12 +941,6 @@
     return minerPolicyEstimator->estimateSmartFee(nBlocks, answerFoundAtBlocks,
                                                   *this);
 }
-double CTxMemPool::estimateSmartPriority(int nBlocks,
-                                         int *answerFoundAtBlocks) const {
-    LOCK(cs);
-    return minerPolicyEstimator->estimateSmartPriority(
-        nBlocks, answerFoundAtBlocks, *this);
-}
 
 bool CTxMemPool::WriteFeeEstimates(CAutoFile &fileout) const {
     try {