diff --git a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionProfileGroup.java b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionProfileGroup.java
index 3fd7e08..f8036f5 100644
--- a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionProfileGroup.java
+++ b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionProfileGroup.java
@@ -111,7 +111,11 @@
         final PiActionProfileGroup other = (PiActionProfileGroup) obj;
         return Objects.equal(this.groupId, other.groupId)
                 && Objects.equal(this.members, other.members)
-                && Objects.equal(this.maxSize, other.maxSize)
+                // FIXME: re-enable when this PI bug will be fixed:
+                // https://github.com/p4lang/PI/issues/452
+                // Currently PI-based devices always return max_group_size 0,
+                // event if we set a different one.
+                // && Objects.equal(this.maxSize, other.maxSize)
                 && Objects.equal(this.actionProfileId, other.actionProfileId);
     }
 
diff --git a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiEntity.java b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiEntity.java
index 531a6a2..1d1e7e0 100644
--- a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiEntity.java
+++ b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiEntity.java
@@ -20,8 +20,7 @@
 import org.onosproject.net.DeviceId;
 
 /**
- * Abstraction of an entity of a protocol-independent that can be read or write
- * at runtime.
+ * Abstraction of a runtime entity of a protocol-independent pipeline.
  */
 @Beta
 public interface PiEntity {