diff --git a/docs/envvars.rst b/docs/envvars.rst
index 377d667f0a2..ad37e191579 100644
--- a/docs/envvars.rst
+++ b/docs/envvars.rst
@@ -1265,32 +1265,6 @@ clc environment variables
    - ``dump_spirv`` Dumps all compiled, linked and specialized SPIR-Vs
    - ``verbose`` Enable debug logging of clc code
 
-Nine frontend environment variables
------------------------------------
-
-.. envvar:: D3D_ALWAYS_SOFTWARE
-
-   an integer, which forces Nine to use the CPU instead of GPU acceleration.
-
-.. envvar:: NINE_DEBUG
-
-   a comma-separated list of named flags that do debugging things.
-   Use ``NINE_DEBUG=help`` to print a list of available options.
-
-.. envvar:: NINE_FF_DUMP
-
-   a boolean, which dumps shaders generated by a fixed function (FF).
-
-.. envvar:: NINE_SHADER
-
-   a comma-separated list of named flags, which do alternate shader handling.
-   Use ``NINE_SHADER=help`` to print a list of available options.
-
-.. envvar:: NINE_QUIRKS
-
-   a comma-separated list of named flags that do various things.
-   Use ``NINE_DEBUG=help`` to print a list of available options.
-
 Softpipe driver environment variables
 -------------------------------------