diff --git a/proto/cometbft/abci/v1/types.proto b/proto/cometbft/abci/v1/types.proto
index 0ef78d009..2b05f226a 100644
--- a/proto/cometbft/abci/v1/types.proto
+++ b/proto/cometbft/abci/v1/types.proto
@@ -6,7 +6,6 @@ import "cometbft/types/v1/params.proto";
 import "cometbft/types/v1/validator.proto";
 import "gogoproto/gogo.proto";
 import "google/protobuf/timestamp.proto";
-import "google/protobuf/duration.proto";
 
 option go_package = "github.com/cometbft/cometbft/api/cometbft/abci/v1";
 
@@ -260,9 +259,6 @@ message InfoResponse {
 
   int64 last_block_height   = 4;
   bytes last_block_app_hash = 5;
-
-  map<string, uint32> lane_priorities = 6;
-  string default_lane = 7;
 }
 
 // InitChainResponse contains the ABCI application's hash and updates to the
@@ -306,8 +302,6 @@ message CheckTxResponse {
   // removed).
   reserved 9 to 11;
   reserved "sender", "priority", "mempool_error";
-
-  string lane_id = 12;
 }
 
 // CommitResponse indicates how much blocks should CometBFT retain.
@@ -444,12 +438,6 @@ message FinalizeBlockResponse {
   // that execution of the transactions was deterministic.
   // It is up to the application to decide which algorithm to use.
   bytes app_hash = 5;
-  // delay between the time when this block is committed and the next height is started.
-  // previously `timeout_commit` in config.toml
-  google.protobuf.Duration next_block_delay = 6 [
-    (gogoproto.nullable) = false,
-    (gogoproto.stdduration) = true
-  ];
 }
 
 // ----------------------------------------