diff --git a/.github/workflows/tck-coreprofile.yml b/.github/workflows/tck-coreprofile.yml
index 397f9fcaf..b2be90d6e 100644
--- a/.github/workflows/tck-coreprofile.yml
+++ b/.github/workflows/tck-coreprofile.yml
@@ -58,32 +58,6 @@ jobs:
       with:
         paths: "external/tck/coreprofile/runner/target/failsafe-reports/**/TEST-*.xml"
       if: always()
-  jsonb:
-    if: github.repository == 'piranhacloud/piranha'
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        java: [ '21' ]
-        os: [ubuntu-latest]
-    steps:
-    - name: Checkout Sources
-      uses: actions/checkout@v4
-    - name: Set up Java ${{ matrix.java }}
-      uses: actions/setup-java@v4
-      with:
-        distribution: 'temurin'
-        java-version: ${{ matrix.java }}
-    - name: Setup for TCK
-      run: mvn -B -DskipTests=true -ntp install
-    - name: Run TCK
-      run: |
-        cd external/coreprofile-tck/jsonb
-        mvn -B -ntp verify
-    - name: Test Summary
-      uses: test-summary/action@v2
-      with:
-        paths: "external/coreprofile-tck/jsonb/installer/target/tck/bin/target/surefire-reports/TEST-*.xml"
-      if: always()
   jsonp:
     if: github.repository == 'piranhacloud/piranha'
     runs-on: ${{ matrix.os }}
diff --git a/external/coreprofile-tck/jsonb/installer/pom.xml b/external/coreprofile-tck/jsonb/installer/pom.xml
deleted file mode 100644
index 32c06b223..000000000
--- a/external/coreprofile-tck/jsonb/installer/pom.xml
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>cloud.piranha.external.coreprofiletck.jsonb</groupId>
-        <artifactId>project</artifactId>
-        <version>25.1.0-SNAPSHOT</version>
-    </parent>
-
-    <artifactId>piranha-external-coreprofiletck-jsonb-installer</artifactId>
-    <packaging>pom</packaging>
-
-    <name>Piranha - External - Core Profile TCK - JSON Binding - Installer</name>
-
-    <properties>
-        <tck.home>${project.build.directory}/tck</tck.home>
-    </properties>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-antrun-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <id>pre-integration-test</id>
-                        <phase>pre-integration-test</phase>
-                        <goals>
-                            <goal>run</goal>
-                        </goals>
-                        <configuration>
-                            <target>
-                                <!-- Download, unzip and rename TCK -->
-                                <get src="https://download.eclipse.org/jakartaee/jsonb/3.0/jakarta-jsonb-tck-${jsonb.tck.version}.zip"
-                                             dest="${project.build.directory}/tck.zip"
-                                             skipexisting="true"/>
-                                <unzip src="${project.build.directory}/tck.zip"
-                                               dest="${project.build.directory}"/>
-                                <move file="${project.build.directory}/jsonb-tck"
-                                              tofile="${project.build.directory}/tck"/>
-                                        
-                                <!-- Install the TCK JAR into local Maven repository -->
-                                <chmod dir="${project.build.directory}/tck/artifacts"
-                                               perm="ugo+rx"
-                                               includes="*"/>
-                                <exec dir="${project.build.directory}/tck/artifacts"
-                                              executable="./artifact-install.sh"/>
-                                        
-                                <!-- Setup bin/pom.xml for correct Yasson version -->
-                                <replaceregexp file="${tck.home}/bin/pom.xml"
-                                                       match="&lt;jsonb-impl.version>(.*)&lt;/jsonb-impl.version>"
-                                                       replace="&lt;jsonb-impl.version>${yasson.version}&lt;/jsonb-impl.version>"
-                                                       byline="true"/>
-                            </target>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-</project>
diff --git a/external/coreprofile-tck/jsonb/pom.xml b/external/coreprofile-tck/jsonb/pom.xml
deleted file mode 100644
index f798a2e52..000000000
--- a/external/coreprofile-tck/jsonb/pom.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>cloud.piranha.external.coreprofiletck</groupId>
-        <artifactId>project</artifactId>
-        <version>25.1.0-SNAPSHOT</version>
-    </parent>
-
-    <groupId>cloud.piranha.external.coreprofiletck.jsonb</groupId>
-    <artifactId>project</artifactId>
-    <packaging>pom</packaging>
-
-    <name>Piranha - External - Core Profile TCK - JSON Binding - Project</name>
-
-    <properties>
-        <jsonb.tck.version>3.0.0</jsonb.tck.version>
-    </properties>
-
-    <dependencyManagement>
-        <dependencies>
-            <dependency>
-                <groupId>cloud.piranha</groupId>
-                <artifactId>bom</artifactId>
-                <version>${project.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-    
-    <modules>
-        <module>installer</module>
-        <module>runner</module>
-    </modules>
-</project>
diff --git a/external/coreprofile-tck/jsonb/runner/pom.xml b/external/coreprofile-tck/jsonb/runner/pom.xml
deleted file mode 100644
index 2f3285f09..000000000
--- a/external/coreprofile-tck/jsonb/runner/pom.xml
+++ /dev/null
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>cloud.piranha.external.coreprofiletck.jsonb</groupId>
-        <artifactId>project</artifactId>
-        <version>25.1.0-SNAPSHOT</version>
-    </parent>
-
-    <artifactId>piranha-external-coreprofiletck-jsonb-runner</artifactId>
-    <packaging>pom</packaging>
-
-    <name>Piranha - External - Core Profile TCK - JSON Binding - Runner</name>
-
-    <properties>
-        <tck.home>${project.build.directory}/../../installer/target/tck</tck.home>
-    </properties>
-
-    <dependencyManagement>
-        <dependencies>
-            <dependency>
-                <groupId>cloud.piranha</groupId>
-                <artifactId>bom</artifactId>
-                <version>${project.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-    <dependencies>
-        <dependency>
-            <groupId>cloud.piranha.external.coreprofiletck.jsonb</groupId>
-            <artifactId>piranha-external-coreprofiletck-jsonb-installer</artifactId>
-            <version>${project.version}</version>
-            <type>pom</type>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-antrun-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <id>integration-test</id>
-                        <phase>integration-test</phase>
-                        <goals>
-                            <goal>run</goal>
-                        </goals>
-                        <configuration>
-                            <target>
-                                <!-- Run the tests -->
-                                <echo>----------------------------------------------------------</echo>
-                                <echo>Running JSON Binding TCK ${jsonb.tck.version} against Yasson ${yasson.version}</echo>
-                                <echo>----------------------------------------------------------</echo>
-                                <exec dir="${tck.home}/bin"
-                                      executable="mvn">
-                                    <arg value="-Djava.locale.providers=COMPAT"/>
-                                    <arg value="verify"/>
-                                </exec>
-                                <echo>----------------------------------------------------------</echo>
-                                <echo>Ran JSON Binding TCK ${jsonb.tck.version} against Yasson ${yasson.version}</echo>
-                                <echo>----------------------------------------------------------</echo>
-                            </target>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-</project>