diff --git a/.project b/.project
index ef60f35..f73e620 100644
--- a/.project
+++ b/.project
@@ -14,4 +14,15 @@
 	<natures>
 		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
 	</natures>
+	<filteredResources>
+		<filter>
+			<id>1777130461248</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
 </projectDescription>
diff --git a/edu.tictactoe/.classpath b/edu.tictactoe/.classpath
index c0cdbe5..ebff69f 100644
--- a/edu.tictactoe/.classpath
+++ b/edu.tictactoe/.classpath
@@ -12,8 +12,7 @@
 			<attribute name="gradle_used_by_scope" value="main,test"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-25/"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-26/"/>
 	<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
-	<classpathentry kind="con" path="org.eclipse.ajdt.core.ASPECTJRT_CONTAINER"/>
 	<classpathentry kind="output" path="bin/default"/>
 </classpath>
diff --git a/edu.tictactoe/.project b/edu.tictactoe/.project
index 7a37124..19d0205 100644
--- a/edu.tictactoe/.project
+++ b/edu.tictactoe/.project
@@ -6,7 +6,7 @@
 	</projects>
 	<buildSpec>
 		<buildCommand>
-			<name>org.eclipse.ajdt.core.ajbuilder</name>
+			<name>org.eclipse.jdt.core.javabuilder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>
@@ -17,8 +17,18 @@
 		</buildCommand>
 	</buildSpec>
 	<natures>
-		<nature>org.eclipse.ajdt.ui.ajnature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
 	</natures>
+	<filteredResources>
+		<filter>
+			<id>1777130461247</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
 </projectDescription>
diff --git a/edu.tictactoe/.settings/org.eclipse.jdt.core.prefs b/edu.tictactoe/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..f5230ee
--- /dev/null
+++ b/edu.tictactoe/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=26
+org.eclipse.jdt.core.compiler.compliance=26
+org.eclipse.jdt.core.compiler.source=26
diff --git a/edu.tictactoe/build.gradle b/edu.tictactoe/build.gradle
index 286e384..ecced3a 100644
--- a/edu.tictactoe/build.gradle
+++ b/edu.tictactoe/build.gradle
@@ -4,12 +4,11 @@
 plugins {
     // Apply the java plugin.
     id 'application'
-    id("io.freefair.aspectj") version "9.2.0" 
 }
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(25)
+        languageVersion = JavaLanguageVersion.of(26)
     }
 }
 
@@ -28,14 +27,13 @@ repositories {
 dependencies {
    implementation("org.slf4j:slf4j-api:2.0.17")
    implementation("ch.qos.logback:logback-classic:1.5.26")
-   implementation("org.aspectj:aspectjrt:1.9.25") 
 }
 
 jar {
   manifest {
     attributes 'Automatic-Module-Name':'edu.tictactoe',
                'Main-Class': 'edu.tictactoe.App',
-               'Class-Path': 'edu.tictactoe org.aspectj.runtime' 
+               'Class-Path': 'edu.tictactoe.App' 
   }
   duplicatesStrategy = DuplicatesStrategy.EXCLUDE
   from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
@@ -48,6 +46,6 @@ tasks.named('jar') {
                 'Implementation-Title': 'edu.tictactoe',
                 'Implementation-Version': 1.0,
                 'Main-Class': 'edu.tictactoe.App',
-                'Class-Path': 'edu.tictactoe org.aspectj.runtime' )
+                'Class-Path': 'edu.tictactoe.App' )
     }
 }
diff --git a/edu.tictactoe/src/main/java/edu/tictactoe/Referee.aj b/edu.tictactoe/src/main/java/edu/tictactoe/Referee.aj
deleted file mode 100644
index c122beb..0000000
--- a/edu.tictactoe/src/main/java/edu/tictactoe/Referee.aj
+++ /dev/null
@@ -1,19 +0,0 @@
-package edu.tictactoe;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public aspect Referee { // call the plays.
-	pointcut PlayEventUpdate(): execution(public * edu.tictactoe.Board.*(..));
-		
-	ResultEnum around(BoardButton[] buttons): execution(public * edu.tictactoe.Board.checkGamePlay(BoardButton[])) && args(buttons) && if(buttons!=null)
-	{
-		ResultEnum oval = proceed(buttons);
-		
-		Logger logger = LoggerFactory.getLogger(Referee.class);
-		
-		logger.info(String.format("Checking Board play: %s. ", oval));
-		return oval;
-	}
-
-}