diff --git a/spring-core-2/pom.xml b/spring-core-2/pom.xml
index de5c7c0d4d..dda23c4ea4 100644
--- a/spring-core-2/pom.xml
+++ b/spring-core-2/pom.xml
@@ -129,11 +129,6 @@
             <artifactId>spring-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest</artifactId>
@@ -205,7 +200,6 @@
         <!-- util -->
         <guava.version>25.1-jre</guava.version>
         <easymock.version>3.6</easymock.version>
-        <assertj.version>3.6.1</assertj.version>
         <shedlock.version>2.1.0</shedlock.version>
         <javassist.version>3.22.0-GA</javassist.version>
         <maven.version>3.2.2</maven.version>
diff --git a/spring-core-4/pom.xml b/spring-core-4/pom.xml
index f9665a672b..1c3e138670 100644
--- a/spring-core-4/pom.xml
+++ b/spring-core-4/pom.xml
@@ -61,12 +61,6 @@
             <version>${awaitility.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
@@ -79,7 +73,6 @@
         <spring.boot.version>2.2.2.RELEASE</spring.boot.version>
         <guava.version>28.2-jre</guava.version>
         <awaitility.version>4.0.2</awaitility.version>
-        <assertj-core.version>2.9.1</assertj-core.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-di/pom.xml b/spring-di/pom.xml
index cbd49242e4..20207663cf 100644
--- a/spring-di/pom.xml
+++ b/spring-di/pom.xml
@@ -74,12 +74,6 @@
             <version>${mockito.spring.boot.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
@@ -156,7 +150,6 @@
         <guava.version>20.0</guava.version>
         <spring-boot.version>1.5.2.RELEASE</spring-boot.version>
         <mockito.version>1.10.19</mockito.version>
-        <assertj.version>3.12.2</assertj.version>
         <aspectjweaver.version>1.9.5</aspectjweaver.version>
     </properties>
 
diff --git a/spring-ejb/spring-ejb-remote/pom.xml b/spring-ejb/spring-ejb-remote/pom.xml
index b7bf2aa79b..a180955dcf 100644
--- a/spring-ejb/spring-ejb-remote/pom.xml
+++ b/spring-ejb/spring-ejb-remote/pom.xml
@@ -19,12 +19,6 @@
             <artifactId>javaee-api</artifactId>
             <scope>provided</scope>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <profiles>
@@ -86,7 +80,6 @@
     </profiles>
 
     <properties>
-        <assertj.version>3.9.0</assertj.version>
         <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
         <wildfly-maven-plugin.version>1.1.0.Alpha5</wildfly-maven-plugin.version>
     </properties>
diff --git a/spring-jersey/pom.xml b/spring-jersey/pom.xml
index 64a34074bb..197469ccf9 100644
--- a/spring-jersey/pom.xml
+++ b/spring-jersey/pom.xml
@@ -105,12 +105,6 @@
             <artifactId>slf4j-jdk14</artifactId>
             <version>${org.slf4j.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
         <!-- Test -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -218,7 +212,6 @@
         <httpclient.version>4.5.5</httpclient.version>
         <javax.servlet-api.version>4.0.0</javax.servlet-api.version>
         <wiremock.version>2.27.2</wiremock.version>
-        <assertj-core.version>3.10.0</assertj-core.version>
         <spring-boot.version>1.5.10.RELEASE</spring-boot.version>
     </properties>
 
diff --git a/testing-modules/assertion-libraries/pom.xml b/testing-modules/assertion-libraries/pom.xml
index 42dead6ee2..b5cfd711d2 100644
--- a/testing-modules/assertion-libraries/pom.xml
+++ b/testing-modules/assertion-libraries/pom.xml
@@ -39,12 +39,6 @@
             <artifactId>assertj-guava</artifactId>
             <version>${assertj-guava.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.javalite</groupId>
             <artifactId>javalite-common</artifactId>
@@ -84,7 +78,6 @@
     <properties>
         <truth.version>0.32</truth.version>
         <assertj-guava.version>3.1.0</assertj-guava.version>
-        <assertj-core.version>3.9.0</assertj-core.version>
         <assertj-generator.version>2.1.0</assertj-generator.version>
         <javalite.version>1.4.13</javalite.version>
         <jgotesting.version>0.12</jgotesting.version>
diff --git a/testing-modules/junit5-annotations/pom.xml b/testing-modules/junit5-annotations/pom.xml
index 86e71110c8..95c0d2d448 100644
--- a/testing-modules/junit5-annotations/pom.xml
+++ b/testing-modules/junit5-annotations/pom.xml
@@ -37,17 +37,10 @@
             <version>${junit-platform.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <properties>
         <log4j2.version>2.8.2</log4j2.version>
-        <assertj-core.version>3.11.1</assertj-core.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/testing-modules/mockito-3/pom.xml b/testing-modules/mockito-3/pom.xml
index 5a79d81080..10130290df 100644
--- a/testing-modules/mockito-3/pom.xml
+++ b/testing-modules/mockito-3/pom.xml
@@ -22,17 +22,10 @@
             <version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <properties>
         <mockito.version>3.8.0</mockito.version>
-        <assertj.version>3.8.0</assertj.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/testing-modules/testing-assertions/pom.xml b/testing-modules/testing-assertions/pom.xml
index f9cd35c5e5..12af95b575 100644
--- a/testing-modules/testing-assertions/pom.xml
+++ b/testing-modules/testing-assertions/pom.xml
@@ -18,12 +18,6 @@
             <artifactId>logback-classic</artifactId>
             <version>${logback.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest-all</artifactId>
@@ -39,7 +33,6 @@
     </dependencies>
 
     <properties>
-        <assertj-core.version>3.16.1</assertj-core.version>
         <commons-collections4.version>4.4</commons-collections4.version>
     </properties>
 
diff --git a/testing-modules/testing-libraries-2/pom.xml b/testing-modules/testing-libraries-2/pom.xml
index 2e8a1b4ed2..c7e9ea0e2b 100644
--- a/testing-modules/testing-libraries-2/pom.xml
+++ b/testing-modules/testing-libraries-2/pom.xml
@@ -30,12 +30,6 @@
             <version>${lombok.version}</version>
             <scope>provided</scope>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>com.github.stefanbirkner</groupId>
             <artifactId>system-rules</artifactId>
@@ -114,7 +108,6 @@
         <system-rules.version>1.19.0</system-rules.version>
         <system-lambda.version>1.0.0</system-lambda.version>
         <system-stubs.version>1.1.0</system-stubs.version>
-        <assertj-core.version>3.16.1</assertj-core.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/video-tutorials/jackson-annotations/pom.xml b/video-tutorials/jackson-annotations/pom.xml
index 827715fe5f..29f457964b 100644
--- a/video-tutorials/jackson-annotations/pom.xml
+++ b/video-tutorials/jackson-annotations/pom.xml
@@ -100,12 +100,6 @@
             <version>${json-schema-validator.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -126,7 +120,6 @@
         <!-- testing -->
         <rest-assured.version>3.0.1</rest-assured.version>
         <rest-assured-json-schema-validator.version>3.0.0</rest-assured-json-schema-validator.version>
-        <assertj-core.version>3.6.1</assertj-core.version>
         <json-schema-validator.version>2.2.6</json-schema-validator.version>
         <json-path.version>3.0.1</json-path.version>
     </properties>
diff --git a/xml/pom.xml b/xml/pom.xml
index 9acaecbd22..968682ee38 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -123,12 +123,6 @@
             <artifactId>commons-lang</artifactId>
             <version>${commons-lang.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.xmlunit</groupId>
             <artifactId>xmlunit-assertj</artifactId>
@@ -368,7 +362,6 @@
         <jaxb-core.version>2.3.0.1</jaxb-core.version>
         <jaxb-impl.version>2.3.2</jaxb-impl.version>
         <stax-api.version>1.0-2</stax-api.version>
-        <assertj-core.version>3.12.2</assertj-core.version>
         <xmlunit-assertj.version>2.6.3</xmlunit-assertj.version>
         <freemarker.version>2.3.29</freemarker.version>
         <mustache.version>0.9.6</mustache.version>