diff --git a/platform/util/troveCompileOnly/src/gnu/trove/Equality.java b/platform/util/troveCompileOnly/src/gnu/trove/Equality.java
index 4b473b9827d2..4a059547be5e 100644
--- a/platform/util/troveCompileOnly/src/gnu/trove/Equality.java
+++ b/platform/util/troveCompileOnly/src/gnu/trove/Equality.java
@@ -8,6 +8,11 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 import java.util.Objects;
 
+/**
+ * @deprecated This class is used to support the old Kotlin JPS plugin (1.6.*) bundled in Spring 2.*
+ * Please don't use it in your code and don't remove (KTIJ-29067)
+ */
+@Deprecated
 @ApiStatus.Internal
 public interface Equality<T> {
   boolean equals(T o1, T o2);
@@ -17,7 +22,7 @@ public interface Equality<T> {
 
   @SuppressWarnings("unchecked")
   static <T> Equality<T> createIdentityEquality() {
-    return (Equality<T>) Proxy.newProxyInstance(
+    return (Equality<T>)Proxy.newProxyInstance(
       Equality.class.getClassLoader(),
       new Class<?>[]{Equality.class},
       new InvocationHandler() {
@@ -34,7 +39,7 @@ public interface Equality<T> {
 
   @SuppressWarnings("unchecked")
   static <T> Equality<T> createCanonicalEquality() {
-    return (Equality<T>) Proxy.newProxyInstance(
+    return (Equality<T>)Proxy.newProxyInstance(
       Equality.class.getClassLoader(),
       new Class<?>[]{Equality.class},
       new InvocationHandler() {
diff --git a/platform/util/troveCompileOnly/src/gnu/trove/TObjectHashingStrategy.java b/platform/util/troveCompileOnly/src/gnu/trove/TObjectHashingStrategy.java
index 3e9aaf1f5e28..d7f936d528bb 100644
--- a/platform/util/troveCompileOnly/src/gnu/trove/TObjectHashingStrategy.java
+++ b/platform/util/troveCompileOnly/src/gnu/trove/TObjectHashingStrategy.java
@@ -8,9 +8,15 @@ import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 
+/**
+ * @deprecated This class is used to support the old Kotlin JPS plugin (1.6.*) bundled in Spring 2.*
+ * Please don't use it in your code and don't remove (KTIJ-29067)
+ */
+@Deprecated
 @ApiStatus.Internal
 public interface TObjectHashingStrategy<T> extends Serializable {
   int computeHashCode(T object);
+
   boolean equals(T o1, T o2);
 
   TObjectHashingStrategy<Object> IDENTITY = createIdentityStrategy();
@@ -18,7 +24,7 @@ public interface TObjectHashingStrategy<T> extends Serializable {
 
   @SuppressWarnings("unchecked")
   static <T> TObjectHashingStrategy<T> createIdentityStrategy() {
-    return (TObjectHashingStrategy<T>) Proxy.newProxyInstance(
+    return (TObjectHashingStrategy<T>)Proxy.newProxyInstance(
       TObjectHashingStrategy.class.getClassLoader(),
       new Class<?>[]{TObjectHashingStrategy.class},
       new InvocationHandler() {
@@ -26,7 +32,8 @@ public interface TObjectHashingStrategy<T> extends Serializable {
         public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
           if ("computeHashCode".equals(method.getName())) {
             return System.identityHashCode(args[0]);
-          } else if ("equals".equals(method.getName())) {
+          }
+          else if ("equals".equals(method.getName())) {
             return args[0] == args[1];
           }
           throw new UnsupportedOperationException("Unsupported method: " + method.getName());
@@ -37,7 +44,7 @@ public interface TObjectHashingStrategy<T> extends Serializable {
 
   @SuppressWarnings("unchecked")
   static <T> TObjectHashingStrategy<T> createCanonicalStrategy() {
-    return (TObjectHashingStrategy<T>) Proxy.newProxyInstance(
+    return (TObjectHashingStrategy<T>)Proxy.newProxyInstance(
       TObjectHashingStrategy.class.getClassLoader(),
       new Class<?>[]{TObjectHashingStrategy.class},
       new InvocationHandler() {
@@ -45,7 +52,8 @@ public interface TObjectHashingStrategy<T> extends Serializable {
         public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
           if ("computeHashCode".equals(method.getName())) {
             return args[0] != null ? args[0].hashCode() : 0;
-          } else if ("equals".equals(method.getName())) {
+          }
+          else if ("equals".equals(method.getName())) {
             if (args[0] == null) {
               return args[1] == null;
             }