diff --git a/scripts/installKernelSources.sh b/scripts/installKernelSources.sh
index 7b469b4..d392b89 100755
--- a/scripts/installKernelSources.sh
+++ b/scripts/installKernelSources.sh
@@ -6,7 +6,9 @@ cd /usr/src
 # Currently the NVIDIA certificate is self signed, so don't check it
 wget --no-check-certificate http://developer.nvidia.com/embedded/dlc/l4t-sources-24-2-1 -O l4t-sources-24-2-1.tbz2
 tar -xvf l4t-sources-24-2-1.tbz2 sources/kernel_src.tbz2
+rm l4t-sources-24-2-1.tbz2
 tar -xvf sources/kernel_src.tbz2
+rm -rf sources
 cd kernel
 zcat /proc/config.gz > .config
 make xconfig