diff --git a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/ArraySlice.java b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/ArraySlice.java
index 5415f53fc3b44..cca1a46d29334 100644
--- a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/ArraySlice.java
+++ b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/ArraySlice.java
@@ -14,7 +14,6 @@
 import org.enso.interpreter.runtime.error.Warning;
 import org.enso.interpreter.runtime.error.WarningsLibrary;
 import org.enso.interpreter.runtime.error.WithWarnings;
-import org.graalvm.collections.EconomicSet;
 
 @ExportLibrary(InteropLibrary.class)
 @ExportLibrary(WarningsLibrary.class)
diff --git a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/Vector.java b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/Vector.java
index 0569618726183..494651cf8ebef 100644
--- a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/Vector.java
+++ b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/Vector.java
@@ -22,7 +22,6 @@
 import org.enso.interpreter.runtime.error.WarningsLibrary;
 import org.enso.interpreter.runtime.error.WithWarnings;
 import org.enso.interpreter.runtime.library.dispatch.TypesLibrary;
-import org.graalvm.collections.EconomicSet;
 
 @ExportLibrary(InteropLibrary.class)
 @ExportLibrary(TypesLibrary.class)
diff --git a/engine/runtime/src/main/java/org/enso/interpreter/runtime/error/WarningsLibrary.java b/engine/runtime/src/main/java/org/enso/interpreter/runtime/error/WarningsLibrary.java
index c1f12ac12cc34..31fc820d917d3 100644
--- a/engine/runtime/src/main/java/org/enso/interpreter/runtime/error/WarningsLibrary.java
+++ b/engine/runtime/src/main/java/org/enso/interpreter/runtime/error/WarningsLibrary.java
@@ -5,7 +5,6 @@
 import com.oracle.truffle.api.library.Library;
 import com.oracle.truffle.api.library.LibraryFactory;
 import com.oracle.truffle.api.nodes.Node;
-import org.graalvm.collections.EconomicSet;
 
 @GenerateLibrary
 public abstract class WarningsLibrary extends Library {
diff --git a/engine/runtime/src/main/java/org/enso/interpreter/runtime/error/WithWarnings.java b/engine/runtime/src/main/java/org/enso/interpreter/runtime/error/WithWarnings.java
index 9e0e650960720..4a291277910fd 100644
--- a/engine/runtime/src/main/java/org/enso/interpreter/runtime/error/WithWarnings.java
+++ b/engine/runtime/src/main/java/org/enso/interpreter/runtime/error/WithWarnings.java
@@ -31,12 +31,6 @@ private WithWarnings(Object value, Warning... warnings) {
     this.value = value;
   }
 
-  private WithWarnings(Object value, EconomicSet<Warning> warnings) {
-    assert !(value instanceof WithWarnings);
-    this.warnings = cloneSet(warnings);
-    this.value = value;
-  }
-
   private WithWarnings(Object value, EconomicSet<Warning> warnings, Warning... additionalWarnings) {
     assert !(value instanceof WithWarnings);
     this.warnings = cloneSetAndAppend(warnings, additionalWarnings);
@@ -57,14 +51,6 @@ public static WithWarnings wrap(Object value, Warning... warnings) {
     }
   }
 
-  public static WithWarnings wrap(Object value, EconomicSet<Warning> warnings) {
-    if (value instanceof WithWarnings with) {
-      return with.append(warnings);
-    } else {
-      return new WithWarnings(value, warnings);
-    }
-  }
-
   public Object getValue() {
     return value;
   }
@@ -73,10 +59,6 @@ public WithWarnings append(Warning... newWarnings) {
     return new WithWarnings(value, warnings, newWarnings);
   }
 
-  public WithWarnings append(EconomicSet<Warning> newWarnings) {
-    return new WithWarnings(value, warnings, newWarnings);
-  }
-
   public WithWarnings prepend(ArrayRope<Warning> newWarnings) {
     return new WithWarnings(value, createSetFromArray(newWarnings.toArray(Warning[]::new)), warnings);
   }
@@ -115,10 +97,6 @@ public ArrayRope<Warning> getReassignedWarningsAsRope(Node location) {
     return new ArrayRope<>(getReassignedWarnings(location, null));
   }
 
-  public Warning[] getReassignedWarnings(Node location) {
-    return getReassignedWarnings(location, null);
-  }
-
   public Warning[] getReassignedWarnings(Node location, WarningsLibrary warningsLibrary) {
     Warning[] warnings = getWarningsArray(warningsLibrary);
     for (int i = 0; i < warnings.length; i++) {
@@ -236,11 +214,4 @@ private EconomicSet<Warning> cloneSetAndAppend(EconomicSet<Warning> initial, Eco
     return set;
   }
 
-  @CompilerDirectives.TruffleBoundary
-  @SuppressWarnings("unchecked")
-  private EconomicSet<Warning> cloneSet(EconomicSet<Warning> initial) {
-    EconomicSet<Warning> set = EconomicSet.create(new WarningEquivalence());
-    set.addAll(initial.iterator());
-    return set;
-  }
 }
diff --git a/engine/runtime/src/test/java/org/enso/interpreter/test/WarningsTest.java b/engine/runtime/src/test/java/org/enso/interpreter/test/WarningsTest.java
index fbbe272005cc6..cf63411846f0c 100644
--- a/engine/runtime/src/test/java/org/enso/interpreter/test/WarningsTest.java
+++ b/engine/runtime/src/test/java/org/enso/interpreter/test/WarningsTest.java
@@ -1,17 +1,54 @@
 package org.enso.interpreter.test;
 
+import org.enso.interpreter.runtime.EnsoContext;
 import org.enso.interpreter.runtime.error.Warning;
 import org.enso.interpreter.runtime.error.WarningsLibrary;
 import org.enso.interpreter.runtime.error.WithWarnings;
-import org.junit.Assert;
+import org.enso.polyglot.LanguageInfo;
+import org.enso.polyglot.MethodNames;
+import org.enso.polyglot.RuntimeOptions;
+import org.graalvm.polyglot.Context;
+import org.junit.*;
+
 import static org.junit.Assert.assertEquals;
-import org.junit.Test;
+import static org.junit.Assert.assertNotNull;
+
+import java.io.OutputStream;
+import java.nio.file.Paths;
 
 public class WarningsTest {
+
+  private static Context ctx;
+
+  @BeforeClass
+  public static void initEnsoContext() {
+    ctx =
+        Context.newBuilder()
+            .allowExperimentalOptions(true)
+            .allowIO(true)
+            .option(
+                RuntimeOptions.LANGUAGE_HOME_OVERRIDE,
+                Paths.get("../../distribution/component").toFile().getAbsolutePath())
+            .logHandler(OutputStream.nullOutputStream())
+            .allowAllAccess(true)
+            .build();
+    assertNotNull("Enso language is supported", ctx.getEngine().getLanguages().get("enso"));
+  }
+
+  @AfterClass
+  public static void disposeContext() {
+    ctx.close();
+  }
+
   @Test
   public void doubleWithWarningsWrap() {
-    var warn1 = new Warning("w1", this, 1L);
-    var warn2 = new Warning("w2", this, 2L);
+    var ensoContext =
+        (EnsoContext)
+            ctx.getBindings(LanguageInfo.ID)
+                .invokeMember(MethodNames.TopScope.LEAK_CONTEXT)
+                .asHostObject();
+    var warn1 = Warning.create(ensoContext, "w1", this);
+    var warn2 = Warning.create(ensoContext, "w2", this);
     var value = 42;
 
     var with1 = WithWarnings.wrap(42, warn1);