diff --git a/src/main/kotlin/com/beust/kobalt/internal/JvmCompiler.kt b/src/main/kotlin/com/beust/kobalt/internal/JvmCompiler.kt
index 9f4e9db7..45755f58 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/JvmCompiler.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/JvmCompiler.kt
@@ -4,6 +4,7 @@ import com.beust.kobalt.api.KobaltContext
 import com.beust.kobalt.api.Project
 import com.beust.kobalt.maven.DependencyManager
 import com.beust.kobalt.maven.IClasspathDependency
+import com.beust.kobalt.maven.KobaltException
 import com.google.inject.Inject
 import java.io.File
 
@@ -19,10 +20,18 @@ class JvmCompiler @Inject constructor(val dependencyManager: DependencyManager)
         val allDependencies = arrayListOf<IClasspathDependency>()
         allDependencies.addAll(info.dependencies)
         allDependencies.addAll(calculateDependencies(project, context, info.dependencies))
-        JvmCompilerPlugin.validateClasspath(allDependencies.map { it.jarFile.get().absolutePath })
+        validateClasspath(allDependencies.map { it.jarFile.get().absolutePath })
         return action.compile(info.copy(dependencies = allDependencies))
     }
 
+    private fun validateClasspath(cp: List<String>) {
+        cp.forEach {
+            if (! File(it).exists()) {
+                throw KobaltException("Couldn't find $it")
+            }
+        }
+    }
+
     /**
      * @return the classpath for this project, including the IClasspathContributors.
      */
diff --git a/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt b/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
index 3d378e7f..e7cdfbdb 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
@@ -30,14 +30,6 @@ abstract class JvmCompilerPlugin @Inject constructor(
         const val SOURCE_SET_MAIN = "main"
         const val SOURCE_SET_TEST = "test"
         const val DOCS_DIRECTORY = "docs/javadoc"
-
-        fun validateClasspath(cp: List<String>) {
-            cp.forEach {
-                if (! File(it).exists()) {
-                    throw KobaltException("Couldn't find $it")
-                }
-            }
-        }
     }
 
     /**