diff --git a/nebius/common/v1/operation_service.proto b/nebius/common/v1/operation_service.proto
index 3872e3e..29db0af 100644
--- a/nebius/common/v1/operation_service.proto
+++ b/nebius/common/v1/operation_service.proto
@@ -10,9 +10,12 @@ option java_multiple_files = true;
 option java_outer_classname = "OperationServiceProto";
 option java_package = "ai.nebius.pub.common.v1";
 
+// Service for reading operations.
 service OperationService {
+  // Returns the current state of the specified operation.
   rpc Get(GetOperationRequest) returns (Operation);
 
+  // Lists operations for the specified resource.
   rpc List(ListOperationsRequest) returns (ListOperationsResponse);
 }
 
diff --git a/nebius/common/v1alpha1/operation_service.proto b/nebius/common/v1alpha1/operation_service.proto
index c0c3e61..52c56bb 100644
--- a/nebius/common/v1alpha1/operation_service.proto
+++ b/nebius/common/v1alpha1/operation_service.proto
@@ -13,6 +13,7 @@ option java_multiple_files = true;
 option java_outer_classname = "OperationServiceProto";
 option java_package = "ai.nebius.pub.common.v1alpha1";
 
+// Service for reading operations.
 service OperationService {
   option deprecated = true;
   option (service_deprecation_details) = { description: "migrate to common/v1" };
diff --git a/nebius/mk8s/v1/condition.proto b/nebius/mk8s/v1/condition.proto
deleted file mode 100644
index b31e8bb..0000000
--- a/nebius/mk8s/v1/condition.proto
+++ /dev/null
@@ -1,61 +0,0 @@
-syntax = "proto3";
-
-package nebius.mk8s.v1;
-
-import "google/protobuf/timestamp.proto";
-
-option go_package = "github.com/nebius/gosdk/proto/nebius/mk8s/v1";
-option java_multiple_files = true;
-option java_outer_classname = "ConditionProto";
-option java_package = "ai.nebius.pub.mk8s.v1";
-
-message Condition {
-  // Type of condition. Should be CamelCase
-  string type = 1;
-
-  // Status of the condition, one of TRUE, FALSE or UNKNOWN.
-  Status status = 2;
-
-  // The last time the condition transitioned from one status to another.
-  google.protobuf.Timestamp last_transition_at = 3;
-
-  // The reason for the condition's last transition in CamelCase.
-  // The values are considered a guaranteed API.
-  string reason = 4;
-
-  // Explicit classification of Reason code, so the users or machines can immediately
-  // understand the current situation and act accordingly.
-  Severity severity = 5;
-
-  // A human readable description message of this detail.
-  string description = 6;
-
-  TransitionError last_transition_error = 7;
-
-  enum Severity {
-    // Should apply only if the condition is in state "True".
-    NONE = 0;
-
-    // Specifies that a failure of a condition type
-    // should be viewed as purely informational
-    INFO = 1;
-
-    // Specifies that a failure of a condition type
-    // should be viewed as an error.
-    ERROR = 2;
-  }
-
-  enum Status {
-    UNKNOWN = 0;
-
-    TRUE = 1;
-
-    FALSE = 2;
-  }
-
-  message TransitionError {
-    string reason = 1;
-
-    string description = 2;
-  }
-}
diff --git a/nebius/mk8s/v1/node_group.proto b/nebius/mk8s/v1/node_group.proto
index 6757be3..112a4cb 100644
--- a/nebius/mk8s/v1/node_group.proto
+++ b/nebius/mk8s/v1/node_group.proto
@@ -8,7 +8,6 @@ import "nebius/annotations.proto";
 import "nebius/common/v1/metadata.proto";
 import "nebius/common/v1/resource_event.proto";
 import "nebius/mk8s/v1/instance_template.proto";
-import "nebius/mk8s/v1/condition.proto";
 
 option go_package = "github.com/nebius/gosdk/proto/nebius/mk8s/v1";
 option java_multiple_files = true;
@@ -343,14 +342,6 @@ message NodeGroupStatus {
   // Both outdated and up-to-date nodes are counted.
   int64 ready_node_count = 6;
 
-  repeated Condition conditions = 50 [
-    deprecated = true,
-    (field_deprecation_details) = {
-      effective_at: "2025-08-01",
-      description: "it is not implemented well, messages should be used instead"
-    }
-  ];
-
   repeated common.v1.RecurrentResourceEvent events = 61;
 
   // Show that there are changes are in flight.
diff --git a/nebius/mk8s/v1alpha1/condition.proto b/nebius/mk8s/v1alpha1/condition.proto
deleted file mode 100644
index 60c7746..0000000
--- a/nebius/mk8s/v1alpha1/condition.proto
+++ /dev/null
@@ -1,66 +0,0 @@
-syntax = "proto3";
-
-package nebius.mk8s.v1alpha1;
-
-import "nebius/annotations.proto";
-import "google/protobuf/timestamp.proto";
-
-option go_package = "github.com/nebius/gosdk/proto/nebius/mk8s/v1alpha1";
-
-// Migrate to v1.
-option deprecated = true;
-option (file_deprecation_details) = { description: "migrate to v1" };
-option java_multiple_files = true;
-option java_outer_classname = "ConditionProto";
-option java_package = "ai.nebius.pub.mk8s.v1alpha1";
-
-message Condition {
-  // Type of condition. Should be CamelCase
-  string type = 1;
-
-  // Status of the condition, one of TRUE, FALSE or UNKNOWN.
-  Status status = 2;
-
-  // The last time the condition transitioned from one status to another.
-  google.protobuf.Timestamp last_transition_at = 3;
-
-  // The reason for the condition's last transition in CamelCase.
-  // The values are considered a guaranteed API.
-  string reason = 4;
-
-  // Explicit classification of Reason code, so the users or machines can immediately
-  // understand the current situation and act accordingly.
-  Severity severity = 5;
-
-  // A human readable description message of this detail.
-  string description = 6;
-
-  TransitionError last_transition_error = 7;
-
-  enum Severity {
-    // Should apply only if the condition is in state "True".
-    NONE = 0;
-
-    // Specifies that a failure of a condition type
-    // should be viewed as purely informational
-    INFO = 1;
-
-    // Specifies that a failure of a condition type
-    // should be viewed as an error.
-    ERROR = 2;
-  }
-
-  enum Status {
-    UNKNOWN = 0;
-
-    TRUE = 1;
-
-    FALSE = 2;
-  }
-
-  message TransitionError {
-    string reason = 1;
-
-    string description = 2;
-  }
-}
diff --git a/nebius/mk8s/v1alpha1/node_group.proto b/nebius/mk8s/v1alpha1/node_group.proto
index f6e81fe..9f7097f 100644
--- a/nebius/mk8s/v1alpha1/node_group.proto
+++ b/nebius/mk8s/v1alpha1/node_group.proto
@@ -7,7 +7,6 @@ import "google/protobuf/duration.proto";
 import "nebius/annotations.proto";
 import "nebius/common/v1/metadata.proto";
 import "nebius/mk8s/v1alpha1/instance_template.proto";
-import "nebius/mk8s/v1alpha1/condition.proto";
 
 option go_package = "github.com/nebius/gosdk/proto/nebius/mk8s/v1alpha1";
 
@@ -321,14 +320,6 @@ message NodeGroupStatus {
   // Both outdated and up-to-date nodes are counted.
   int64 ready_node_count = 6;
 
-  repeated Condition conditions = 50 [
-    deprecated = true,
-    (field_deprecation_details) = {
-      effective_at: "2025-08-01",
-      description: "it is not implemented well, messages should be used instead"
-    }
-  ];
-
   // Show that changes are in flight
   bool reconciling = 100;
 }