Comment 9 for bug 1369216

It seems to have disappeared in Vivid for me as well:

dpkg -l | grep "nvidia\|intel"
ii intel-gpu-tools 1.8-1 amd64 tools for debugging the Intel graphics driver
ii libdrm-intel1:amd64 2.4.61+git20150521.e9ea1f42-0ubuntu0ricotz2~vivid amd64 Userspace interface to intel-specific kernel DRM services -- runtime
ii libdrm-intel1:i386 2.4.61+git20150521.e9ea1f42-0ubuntu0ricotz2~vivid i386 Userspace interface to intel-specific kernel DRM services -- runtime
ii nvidia-346 346.72-0ubuntu0~xedgers15.04.1 amd64 NVIDIA binary driver - version 346.72
ii nvidia-346-uvm 346.72-0ubuntu0~xedgers15.04.1 amd64 Transitional package for nvidia-346
ii nvidia-modprobe 346.46-0ubuntu1 amd64 Load the NVIDIA kernel driver and create device files
ii nvidia-opencl-icd-346 346.72-0ubuntu0~xedgers15.04.1 amd64 NVIDIA OpenCL ICD
ii nvidia-prime 0.8.1 amd64 Tools to enable NVIDIA's Prime
ii nvidia-settings 352.09-0ubuntu0~xedgers15.04.1 amd64 Tool for configuring the NVIDIA graphics driver
ii whois 5.2.7 amd64 intelligent WHOIS client