diff --git a/.github/workflows/Android-CI.yml b/.github/workflows/Android-CI.yml
index c197819d..ee18be92 100644
--- a/.github/workflows/Android-CI.yml
+++ b/.github/workflows/Android-CI.yml
@@ -101,7 +101,7 @@ jobs:
           distribution: 'adopt'
           java-version: ${{ matrix.java_version }}
       - name: build release
-        run: ./gradlew assembleRelease
+        run: ./gradlew assemble
         env:
           VERSION: ${{ github.ref }}
       - name: investigate aar
diff --git a/IOIOLibAndroid/build.gradle b/IOIOLibAndroid/build.gradle
index 79007c98..eea55cbe 100644
--- a/IOIOLibAndroid/build.gradle
+++ b/IOIOLibAndroid/build.gradle
@@ -25,4 +25,4 @@ publishing {
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/IOIOLibCore/.classpath b/IOIOLibCore/.classpath
deleted file mode 100644
index 50660d74..00000000
--- a/IOIOLibCore/.classpath
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src/main/java"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
-	<classpathentry exported="true" kind="con" path="org.springsource.ide.eclipse.gradle.classpathcontainer"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>
diff --git a/IOIOLibCore/.project b/IOIOLibCore/.project
deleted file mode 100644
index 53dcfcb7..00000000
--- a/IOIOLibCore/.project
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>IOIOLibCore</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.springsource.ide.eclipse.gradle.core.nature</nature>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>
diff --git a/IOIOLibPC/.classpath b/IOIOLibPC/.classpath
deleted file mode 100644
index 50660d74..00000000
--- a/IOIOLibPC/.classpath
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src/main/java"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
-	<classpathentry exported="true" kind="con" path="org.springsource.ide.eclipse.gradle.classpathcontainer"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>
diff --git a/IOIOLibPC/.project b/IOIOLibPC/.project
deleted file mode 100644
index c6f7c6f4..00000000
--- a/IOIOLibPC/.project
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>IOIOLibPC</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.springsource.ide.eclipse.gradle.core.nature</nature>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-	<variableList>
-		<variable>
-			<name>IOIOLIB</name>
-			<value>$%7BPARENT-2-PROJECT_LOC%7D</value>
-		</variable>
-	</variableList>
-</projectDescription>
diff --git a/IOIOLibPC/build.gradle b/IOIOLibPC/build.gradle
index d44ceffb..d97fed47 100644
--- a/IOIOLibPC/build.gradle
+++ b/IOIOLibPC/build.gradle
@@ -1,16 +1,18 @@
-apply plugin: 'java-library'
+plugins {
+    id 'java-library'
+}
 
 javadoc {
     source = fileTree(dir: 'src/main/java')
     failOnError = false
 }
 
-task javadocJar(type: Jar) {
+tasks.register('javadocJar', Jar) {
     archiveClassifier = 'javadoc'
     from javadoc
 }
 
-task sourcesJar(type: Jar) {
+tasks.register('sourcesJar', Jar) {
     archiveClassifier = 'sources'
     from sourceSets.main.allSource
 }
@@ -23,3 +25,8 @@ dependencies {
     implementation 'com.sparetimelabs:purejavacomm:1.0.1'
     api project(":IOIOLibCore")
 }
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}