diff --git a/server/lib/kotlin-reflect.jar b/server/lib/kotlin-reflect.jar deleted file mode 100644 index 578ee08e778..00000000000 Binary files a/server/lib/kotlin-reflect.jar and /dev/null differ diff --git a/server/lib/kotlin-runtime-sources.jar b/server/lib/kotlin-runtime-sources.jar deleted file mode 100644 index 5a6848d4c9e..00000000000 Binary files a/server/lib/kotlin-runtime-sources.jar and /dev/null differ diff --git a/server/lib/kotlin-runtime.jar b/server/lib/kotlin-runtime.jar deleted file mode 100644 index 00e4eb00dd6..00000000000 Binary files a/server/lib/kotlin-runtime.jar and /dev/null differ diff --git a/server/lib/netty-all-4.1.2.Final-sources.jar b/server/lib/netty-all-4.1.2.Final-sources.jar deleted file mode 100644 index 4c74f90cee0..00000000000 Binary files a/server/lib/netty-all-4.1.2.Final-sources.jar and /dev/null differ diff --git a/server/lib/netty-all-4.1.2.Final.jar b/server/lib/netty-all-4.1.2.Final.jar deleted file mode 100644 index 27ba26d09e1..00000000000 Binary files a/server/lib/netty-all-4.1.2.Final.jar and /dev/null differ diff --git a/server/lib/protobuf-java-3.0.0-beta-3.jar b/server/lib/protobuf-java-3.0.0-beta-3.jar deleted file mode 100644 index a41f7b27d38..00000000000 Binary files a/server/lib/protobuf-java-3.0.0-beta-3.jar and /dev/null differ