diff --git a/core/build.gradle b/core/build.gradle
index 0ae659a..77e3054 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -6,10 +6,6 @@ apply plugin: 'application'
 
 mainClassName = "mc.core.Main"
 
-ext {
-    log4j_version  = '2.5'
-}
-
 dependencies {
     /* Components */
     compile (group: 'commons-io', name: 'commons-io', version: '2.6')