diff --git a/assignments/nbproject/project.properties b/assignments/nbproject/project.properties
index 67b123ace259306d82765c7ec95acd56e09bcbc5..9003d11a34aa62d496dd78e30b32d7bea504d908 100644
--- a/assignments/nbproject/project.properties
+++ b/assignments/nbproject/project.properties
@@ -103,7 +103,6 @@ jnlp.signed=false
 jnlp.signing=
 jnlp.signing.alias=
 jnlp.signing.keystore=
-main.class=MV3500Cohort2022MayJune.homework2.Royer.Homework2.java
 # Optional override of default Application-Library-Allowable-Codebase attribute identifying the locations where your signed RIA is expected to be found.
 manifest.custom.application.library.allowable.codebase=
 # Optional override of default Caller-Allowable-Codebase attribute identifying the domains from which JavaScript code can make calls to your RIA without security prompts.
@@ -114,7 +113,7 @@ manifest.custom.codebase=
 manifest.custom.permissions=
 meta.inf.dir=${src.dir}/META-INF
 mkdist.disabled=false
-platform.active=JDK_22
+platform.active=default_platform
 project.licensePath=../license.txt
 run.classpath=\
     ${javac.classpath}:\
diff --git a/assignments/nbproject/project.xml b/assignments/nbproject/project.xml
index f4711c4a46f519e15f88ca993b41da9231b32773..ec9c9401e07d97eb2d28c832cc9985585aeb9f06 100644
--- a/assignments/nbproject/project.xml
+++ b/assignments/nbproject/project.xml
@@ -4,7 +4,6 @@
     <configuration>
         <data xmlns="http://www.netbeans.org/ns/j2se-project/3">
             <name>Networked Graphics MV3500 assignments</name>
-            <explicit-platform explicit-source-supported="true"/>
             <source-roots>
                 <root id="src.dir"/>
             </source-roots>
diff --git a/examples/nbproject/project.properties b/examples/nbproject/project.properties
index bfa08a8d90d76ef73503d1b02ed5df067fb6f5dd..a4a894c2d3bd9ec8e71230408d10d9cd0f906e86 100644
--- a/examples/nbproject/project.properties
+++ b/examples/nbproject/project.properties
@@ -93,7 +93,7 @@ main.class=TcpExamples.TcpExample1Telnet
 manifest.file=manifest.mf
 meta.inf.dir=${src.dir}/META-INF
 mkdist.disabled=false
-platform.active=JDK_22
+platform.active=default_platform
 run.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}
diff --git a/examples/nbproject/project.xml b/examples/nbproject/project.xml
index bd4589c403c0307b9edb0d25126b2a5fe03ae4bf..d7c8e3fd3bc7ee7e746750956a36a82fa1034338 100644
--- a/examples/nbproject/project.xml
+++ b/examples/nbproject/project.xml
@@ -4,7 +4,6 @@
     <configuration>
         <data xmlns="http://www.netbeans.org/ns/j2se-project/3">
             <name>Networked Graphics MV3500 examples</name>
-            <explicit-platform explicit-source-supported="true"/>
             <source-roots>
                 <root id="src.dir"/>
                 <root id="src.src.dir"/>