diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp
--- a/src/rpc/client.cpp
+++ b/src/rpc/client.cpp
@@ -127,7 +127,6 @@
     {"pruneblockchain", 0, "height"},
     {"keypoolrefill", 0, "newsize"},
     {"getrawmempool", 0, "verbose"},
-    {"estimatefee", 0, "nblocks"},
     {"prioritisetransaction", 1, "dummy"},
     {"prioritisetransaction", 2, "fee_delta"},
     {"setban", 2, "bantime"},
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -1164,7 +1164,7 @@
         {"generating", "generatetodescriptor",  generatetodescriptor,  {"num_blocks","descriptor","maxtries"}},
         {"generating", "generateblock",         generateblock,         {"output","transactions"}},
 
-        {"util",       "estimatefee",           estimatefee,           {"nblocks"}},
+        {"util",       "estimatefee",           estimatefee,           {}},
     };
     // clang-format on