diff --git a/dockerfile-kasm-core b/dockerfile-kasm-core
index 5b2a55c..c0c70d3 100644
--- a/dockerfile-kasm-core
+++ b/dockerfile-kasm-core
@@ -54,9 +54,6 @@ RUN mkdir -p $HOME/Desktop
 COPY ./src/ubuntu/install/tools $INST_SCRIPTS/tools/
 RUN bash $INST_SCRIPTS/tools/install_tools.sh && rm -rf $INST_SCRIPTS/tools/
 
-### Install wmctrl needed for the maximize script
-RUN apt install wmctrl
-
 ### Copy over the maximization script to our startup dir for use by app images.
 COPY ./src/ubuntu/install/maximize_script $STARTUPDIR/
 
diff --git a/dockerfile-kasm-core-nvidia b/dockerfile-kasm-core-nvidia
index a16c280..5332a68 100644
--- a/dockerfile-kasm-core-nvidia
+++ b/dockerfile-kasm-core-nvidia
@@ -62,9 +62,6 @@ EXPOSE $VNC_PORT \
 WORKDIR $HOME
 RUN mkdir -p $HOME/Desktop
 
-### Install wmctrl needed for the maximize script
-RUN apt install wmctrl
-
 ### Copy over the maximization script to our startup dir for use by app images.
 COPY ./src/ubuntu/install/maximize_script $STARTUPDIR/