diff --git a/smack-core/build.gradle b/smack-core/build.gradle
index 82f078423e..27f5a2bb57 100644
--- a/smack-core/build.gradle
+++ b/smack-core/build.gradle
@@ -42,7 +42,6 @@ dependencies {
 	testFixturesApi "org.assertj:assertj-core:3.26.3"
 	testFixturesApi "org.xmlunit:xmlunit-assertj:$xmlUnitVersion"
 	testFixturesApi 'org.hamcrest:hamcrest-library:2.2'
-	testFixturesApi "com.google.guava:guava:${guavaVersion}"
 }
 
 class CreateFileTask extends DefaultTask {
diff --git a/smack-core/src/test/java/org/jivesoftware/smack/SmackTest.java b/smack-core/src/test/java/org/jivesoftware/smack/SmackTest.java
index 169e133377..fe107ec08e 100644
--- a/smack-core/src/test/java/org/jivesoftware/smack/SmackTest.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/SmackTest.java
@@ -23,19 +23,19 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
+import java.util.HashSet;
 import java.util.Set;
 
-import com.google.common.collect.Sets;
 import org.junit.jupiter.api.Test;
 
 public class SmackTest {
 
     @Test
     public void getNoticeStreamTest() throws IOException {
-        Set<String> expectedStrings = Sets.newHashSet(
+        Set<String> expectedStrings = new HashSet<>(Set.of(
                         "Florian Schmaus"
                       , "Paul Schaub"
-        );
+        ));
         int maxLineLength = 0;
 
         try (InputStream inputStream = Smack.getNoticeStream()) {
diff --git a/smack-integration-test/build.gradle b/smack-integration-test/build.gradle
index 7aaed16e72..285029c0f8 100644
--- a/smack-integration-test/build.gradle
+++ b/smack-integration-test/build.gradle
@@ -16,7 +16,6 @@ dependencies {
 	api project(':smack-websocket-okhttp')
 	api project(':smack-resolver-dnsjava')
 	implementation project(':smack-websocket-java11')
-	implementation "com.google.guava:guava:${guavaVersion}"
 	implementation "org.reflections:reflections:${orgReflectionsVersion}"
 	api 'eu.geekplace.javapinning:java-pinning-java11:1.3.0'
 	implementation group: 'commons-io', name: 'commons-io', version: "$commonsIoVersion"
diff --git a/smack-integration-test/src/main/java/org/jivesoftware/smackx/omemo/OmemoManagerSetupHelper.java b/smack-integration-test/src/main/java/org/jivesoftware/smackx/omemo/OmemoManagerSetupHelper.java
index 8aaa9e64f4..450f3d1cda 100644
--- a/smack-integration-test/src/main/java/org/jivesoftware/smackx/omemo/OmemoManagerSetupHelper.java
+++ b/smack-integration-test/src/main/java/org/jivesoftware/smackx/omemo/OmemoManagerSetupHelper.java
@@ -37,8 +37,6 @@
 import org.jivesoftware.smackx.omemo.trust.OmemoFingerprint;
 import org.jivesoftware.smackx.pubsub.PubSubException;
 
-import com.google.common.collect.Maps;
-
 public class OmemoManagerSetupHelper {
 
 
@@ -77,7 +75,7 @@ public static void trustAllIdentitiesWithTests(OmemoManager alice, OmemoManager
 
         Map<OmemoDevice, OmemoFingerprint> fps2 = alice.getActiveFingerprints(bob.getOwnJid());
         assertEquals(fps1.size(), fps2.size());
-        assertTrue(Maps.difference(fps1, fps2).areEqual());
+        assertEquals(fps1, fps2);
 
         assertAllDevicesAreDecided(alice, fps2);
         assertAllDevicesAreTrusted(alice, fps2);
diff --git a/smack-java11-full/src/test/java/org/jivesoftware/smack/full/ModularXmppClientToServerConnectionStateGraphTest.java b/smack-java11-full/src/test/java/org/jivesoftware/smack/full/ModularXmppClientToServerConnectionStateGraphTest.java
index 47ec8c453e..d87916a111 100644
--- a/smack-java11-full/src/test/java/org/jivesoftware/smack/full/ModularXmppClientToServerConnectionStateGraphTest.java
+++ b/smack-java11-full/src/test/java/org/jivesoftware/smack/full/ModularXmppClientToServerConnectionStateGraphTest.java
@@ -31,7 +31,7 @@
 import org.jivesoftware.smack.util.EqualsUtil;
 import org.jivesoftware.smack.util.HashCode;
 
-import com.google.common.io.Resources;
+
 import org.jgrapht.graph.DefaultEdge;
 import org.jgrapht.graph.DirectedPseudograph;
 import org.jgrapht.io.DOTImporter;
@@ -43,8 +43,8 @@ public class ModularXmppClientToServerConnectionStateGraphTest {
 
     @Test
     public void testStateGraphDotOutput() throws IOException, ImportException {
-        URL stateGraphDotFileUrl = Resources.getResource("state-graph.dot");
-        String expectedStateGraphDot = Resources.toString(stateGraphDotFileUrl, StandardCharsets.UTF_8);
+        URL stateGraphDotFileUrl = ModularXmppClientToServerConnectionStateGraphTest.class.getClassLoader().getResource("state-graph.dot");
+        String expectedStateGraphDot = new String(stateGraphDotFileUrl.openStream().readAllBytes(), StandardCharsets.UTF_8);
 
         StringWriter sw = new StringWriter();
         PrintWriter pw  = new PrintWriter(sw);