diff --git a/install.sh b/install.sh
index 68c1072..6002c48 100644
--- a/install.sh
+++ b/install.sh
@@ -4,9 +4,7 @@
 set -e
 
 apt-get update
-apt-get install -y software-properties-common
 apt-get install -y octave
-apt-get remove -y software-properties-common
 
 # cleanup package manager
 apt-get autoclean && apt-get clean