diff --git a/pom.xml b/pom.xml
index 9a52cba972b..c2dce21a8a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -171,35 +171,32 @@
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
             <version>1.2.16</version>
-            <scope>provided</scope>
+            <scope>compile</scope>
+            <optional>true</optional>
         </dependency>
 
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
             <version>1.6.2</version>
-            <scope>provided</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-log4j12</artifactId>
-            <version>1.6.2</version>
-            <scope>provided</scope>
+            <scope>compile</scope>
+            <optional>true</optional>
         </dependency>
 
         <dependency>
             <groupId>net.java.dev.jna</groupId>
             <artifactId>jna</artifactId>
             <version>3.3.0</version>
-            <scope>provided</scope>
+            <scope>compile</scope>
+            <optional>true</optional>
         </dependency>
 
         <dependency>
             <groupId>jline</groupId>
             <artifactId>jline</artifactId>
             <version>1.0</version>
-            <scope>provided</scope>
+            <scope>compile</scope>
+            <optional>true</optional>
         </dependency>
 
         <dependency>