diff --git a/easy-rules-core/pom.xml b/easy-rules-core/pom.xml
index ad93a3b..fd32858 100644
--- a/easy-rules-core/pom.xml
+++ b/easy-rules-core/pom.xml
@@ -50,10 +50,13 @@
     </licenses>
 
     <dependencies>
+        <!-- production dependencies -->
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
         </dependency>
+
+        <!-- test dependencies -->
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
diff --git a/easy-rules-mvel/pom.xml b/easy-rules-mvel/pom.xml
index 3fc6b8b..bd678c3 100644
--- a/easy-rules-mvel/pom.xml
+++ b/easy-rules-mvel/pom.xml
@@ -53,22 +53,24 @@
     </licenses>
 
     <dependencies>
+        <!-- production dependencies -->
         <dependency>
             <groupId>org.jeasy</groupId>
             <artifactId>easy-rules-support</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.mvel</groupId>
+            <artifactId>mvel2</artifactId>
+            <version>${mvel2.version}</version>
+        </dependency>
 
+        <!-- test dependencies -->
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.mvel</groupId>
-            <artifactId>mvel2</artifactId>
-            <version>${mvel2.version}</version>
-        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
diff --git a/easy-rules-spel/pom.xml b/easy-rules-spel/pom.xml
index 18065d7..8b3fece 100644
--- a/easy-rules-spel/pom.xml
+++ b/easy-rules-spel/pom.xml
@@ -53,32 +53,24 @@
     </licenses>
 
     <dependencies>
+        <!-- production dependencies -->
         <dependency>
             <groupId>org.jeasy</groupId>
             <artifactId>easy-rules-support</artifactId>
             <version>${project.version}</version>
         </dependency>
         <dependency>
-            <groupId>com.fasterxml.jackson.dataformat</groupId>
-            <artifactId>jackson-dataformat-yaml</artifactId>
-            <version>${jackson.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-expression</artifactId>
+            <version>${spring.version}</version>
         </dependency>
 
+        <!-- test dependencies -->
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-expression</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
diff --git a/easy-rules-support/pom.xml b/easy-rules-support/pom.xml
index 720be0f..18f226a 100644
--- a/easy-rules-support/pom.xml
+++ b/easy-rules-support/pom.xml
@@ -49,6 +49,7 @@
     </licenses>
 
     <dependencies>
+        <!-- production dependencies -->
         <dependency>
             <groupId>org.jeasy</groupId>
             <artifactId>easy-rules-core</artifactId>
@@ -65,6 +66,7 @@
             <version>${jackson.version}</version>
         </dependency>
 
+        <!-- test dependencies -->
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
diff --git a/easy-rules-tutorials/pom.xml b/easy-rules-tutorials/pom.xml
index fad6c63..b96e5ee 100644
--- a/easy-rules-tutorials/pom.xml
+++ b/easy-rules-tutorials/pom.xml
@@ -76,7 +76,6 @@
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
         </dependency>
-
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
diff --git a/pom.xml b/pom.xml
index 878ac48..4c1c3e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -82,18 +82,11 @@
 
     <dependencyManagement>
         <dependencies>
-            <dependency>
-                <groupId>org.easyrules</groupId>
-                <artifactId>easyrules-core</artifactId>
-                <version>${project.version}</version>
-            </dependency>
-
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-api</artifactId>
                 <version>${slf4j.version}</version>
             </dependency>
-
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-simple</artifactId>
@@ -106,14 +99,12 @@
                 <version>${junit.version}</version>
                 <scope>test</scope>
             </dependency>
-
             <dependency>
                 <groupId>org.assertj</groupId>
                 <artifactId>assertj-core</artifactId>
                 <version>${assertj.version}</version>
                 <scope>test</scope>
             </dependency>
-
             <dependency>
                 <groupId>org.mockito</groupId>
                 <artifactId>mockito-core</artifactId>