diff --git a/Library/Homebrew/dev-cmd/edit.rb b/Library/Homebrew/dev-cmd/edit.rb
index 618ce68cca..b8c5f4bf6a 100644
--- a/Library/Homebrew/dev-cmd/edit.rb
+++ b/Library/Homebrew/dev-cmd/edit.rb
@@ -85,6 +85,8 @@ module Homebrew
   def edit
     args = edit_args.parse
 
+    ENV["COLORTERM"] = ENV.fetch("HOMEBREW_COLORTERM", nil)
+
     unless (HOMEBREW_REPOSITORY/".git").directory?
       odie <<~EOS
         Changes will be lost!
diff --git a/bin/brew b/bin/brew
index ccbac9dccd..7ddb2712c6 100755
--- a/bin/brew
+++ b/bin/brew
@@ -152,6 +152,7 @@ done
 # We don't want to take the user's value for, e.g., `HOMEBREW_PATH` here!
 USED_BY_HOMEBREW_VARS=(
   CODESPACES
+  COLORTERM
   DBUS_SESSION_BUS_ADDRESS
   PATH
   SSH_TTY
@@ -204,7 +205,7 @@ PATH="/usr/bin:/bin:/usr/sbin:/sbin"
 
 FILTERED_ENV=()
 ENV_VAR_NAMES=(
-  HOME SHELL PATH TERM TERMINFO TERMINFO_DIRS COLORTERM COLORFGBG COMMAND_MODE COLUMNS DISPLAY LOGNAME USER CI SSH_AUTH_SOCK SUDO_ASKPASS
+  HOME SHELL PATH TERM TERMINFO TERMINFO_DIRS COLUMNS DISPLAY LOGNAME USER CI SSH_AUTH_SOCK SUDO_ASKPASS
   http_proxy https_proxy ftp_proxy no_proxy all_proxy HTTPS_PROXY FTP_PROXY ALL_PROXY
 )
 # Filter all but the specific variables.