diff --git a/rebar.config b/rebar.config
index 6c0bb33..9702162 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,5 +1,4 @@
 {deps, [
-        {hut, "1.3.0"},
 
         %% Cuckoo prebuilt CUDA binaries.
         {aecuckooprebuilt,
diff --git a/rebar.lock b/rebar.lock
index 15ce1f7..1e9a699 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -1,4 +1,4 @@
-{"1.1.0",
+{"1.2.0",
 [{<<"aecuckoo">>,
   {git,"https://github.com/aeternity/aecuckoo.git",
       {ref,"996ffcdb336f1c2254ea8e1b1a657b05b7ea4a81"}},
@@ -11,9 +11,8 @@
  {<<"enacl">>,
   {git,"https://github.com/aeternity/enacl.git",
       {ref,"67fceef42c0d055570f2e67b571f8d1f8de2f204"}},
-  0},
- {<<"hut">>,{pkg,<<"hut">>,<<"1.3.0">>},0}]}.
+  0}]}.
 [
-{pkg_hash,[
- {<<"hut">>, <<"71F2F054E657C03F959CF1ACC43F436EA87580696528CA2A55C8AFB1B06C85E7">>}]}
+{pkg_hash,[]},
+{pkg_hash_ext,[]}
 ].
diff --git a/src/aeminer.app.src b/src/aeminer.app.src
index 7b8f807..6550ddb 100644
--- a/src/aeminer.app.src
+++ b/src/aeminer.app.src
@@ -6,7 +6,6 @@
    [kernel,
     stdlib,
     enacl,
-    hut,
     aecuckoo,
     aecuckooprebuilt
    ]},
diff --git a/src/aeminer_pow_cuckoo.erl b/src/aeminer_pow_cuckoo.erl
index 5c77606..181d03e 100644
--- a/src/aeminer_pow_cuckoo.erl
+++ b/src/aeminer_pow_cuckoo.erl
@@ -53,9 +53,13 @@
         ]).
 -endif.
 
--include_lib("hut/include/hut.hrl").
 -include("aeminer.hrl").
 
+-define(logger_meta, #{domain => [gaj, pow_cuckoo]}).
+-define(debug(Fmt, Args)  , logger:debug(Fmt, Args, ?logger_meta)).
+-define(info(Fmt, Args)   , logger:info(Fmt, Args, ?logger_meta)).
+-define(warning(Fmt, Args), logger:warning(Fmt, Args, ?logger_meta)).
+
 -type hashable()          :: aeminer_blake2b_256:hashable().
 
 -type hash()              :: aeminer_blake2b_256:hash().
@@ -186,13 +190,13 @@ generate(Data, Target, Nonce, Config, Instance) when
     {ok, {nonce(), solution()}} | {error, no_solution} | {error, {runtime, term()}}.
 generate_from_hash(Hash, Target, Nonce, Config, Instance) ->
     Hash64 = base64:encode_to_string(Hash),
-    ?log(debug, "Generating solution for data hash ~p and nonce ~p with target ~p.",
+    ?debug("Generating solution for data hash ~p and nonce ~p with target ~p.",
            [Hash, Nonce, Target]),
     case generate_int(Hash64, Nonce, Target, Config, Instance) of
         {ok, Nonce1, Soln} ->
             {ok, {Nonce1, Soln}};
         {error, no_value} ->
-            ?log(debug, "No cuckoo solution found", []),
+            ?debug("No cuckoo solution found", []),
             {error, no_solution};
         {error, Rsn} ->
             %% Exec failed (segfault, not found, etc.): let miner decide
@@ -262,7 +266,7 @@ generate_int(Hash, Nonce, Target, MinerBinDir, MinerBin, MinerExtraArgs,
              #config{repeats = Repeats0, edge_bits = EdgeBits}) ->
     Repeats = integer_to_list(Repeats0),
     Args = ["-h", Hash, "-n", integer_to_list(Nonce), "-r", Repeats | string:tokens(MinerExtraArgs, " ")],
-    ?log(info, "Executing cmd '~s ~s'", [MinerBin, lists:concat(lists:join(" ", Args))]),
+    ?info("Executing cmd '~s ~s'", [MinerBin, lists:concat(lists:join(" ", Args))]),
     Old = process_flag(trap_exit, true),
     try exec_run(MinerBin, MinerBinDir, Args) of
         {ok, Port, OsPid} ->
@@ -340,7 +344,7 @@ verify_proof_(Header, Solution, EdgeBits) ->
         end
     catch
         throw:{error, Rsn} ->
-            ?log(info, "Proof verification failed for ~p: ~p", [Solution, Rsn]),
+            ?info("Proof verification failed for ~p: ~p", [Solution, Rsn]),
             false
     end.
 
@@ -495,20 +499,20 @@ parse_generation_result(["Solution" ++ NonceValuesStr | Rest],
             stop_execution(OsPid),
             case parse_nonce_str(NonceStr) of
                 {ok, Nonce} ->
-                    ?log(debug, "Solution found: ~p", [Soln]),
+                    ?debug("Solution found: ~p", [Soln]),
                     {ok, Nonce, Soln};
                 Err = {error, _} ->
-                    ?log(debug, "Bad nonce: ~p", [Err]),
+                    ?debug("Bad nonce: ~p", [Err]),
                     Err
             end;
         {N, _} when N /= ?SOLUTION_SIZE ->
-            ?log(debug, "Solution has wrong length (~p) should be ~p", [N, ?SOLUTION_SIZE]),
+            ?debug("Solution has wrong length (~p) should be ~p", [N, ?SOLUTION_SIZE]),
             %% No nonce in solution, old miner exec?
             stop_execution(OsPid),
             {error, bad_miner};
         {_, false} ->
             %% failed to meet target: go on, we may find another solution
-            ?log(debug, "Failed to meet target (~p)", [Target]),
+            ?debug("Failed to meet target (~p)", [Target]),
             parse_generation_result(Rest, State)
     end;
 parse_generation_result([_Msg | T], State) ->
@@ -526,7 +530,7 @@ parse_nonce_str(S) ->
 %%------------------------------------------------------------------------------
 stop_execution(OsPid) ->
     exec_kill(OsPid),
-    ?log(debug, "Mining OS process ~p stopped", [OsPid]),
+    ?debug("Mining OS process ~p stopped", [OsPid]),
     ok.
 
 %%------------------------------------------------------------------------------
@@ -558,10 +562,10 @@ exec_run(Cmd, Dir, Args) ->
         Port = erlang:open_port(PortName, PortSettings),
         case erlang:port_info(Port, os_pid) of
             {os_pid, OsPid} ->
-                ?log(debug, "External mining process started with OS pid ~p", [OsPid]),
+                ?debug("External mining process started with OS pid ~p", [OsPid]),
                 {ok, Port, OsPid};
             undefined ->
-                ?log(warning, "External mining process finished before ~p could acquire the OS pid", [?MODULE]),
+                ?warning("External mining process finished before ~p could acquire the OS pid", [?MODULE]),
                 {ok, Port, undefined}
         end
     catch