Only compiling reference contracts to build ?

[interzone2]

A Brownie problem potentially.

Mac OS X Big Sur v11.5.1
Node v16.4.2
Python v3.8
Sol v0.8.6
Brownie v1.15.2

I am compiling using Brownie. However the only files that end up 'compiled' and in /build/contracts are:

Compiling contracts...
  Solc version: 0.6.12
  Optimizer: Enabled  Runs: 200
  EVM Version: Istanbul
Generating build data...
 **- FlashBotsMultiCall
 - IERC20
 - IWETH
 - FlashBotsUniswapQuery
 - IUniswapV2Pair
 - UniswapV2Factory**

Thereafter, when I try to deploy from Brownie, BundleExecutor.sol isn't found. This could be PATH related. However, why is Brownie compiling the reference contracts from inside BundleExecutor.sol ?