diff --git a/.buildkite/hooks/pre-command b/.buildkite/hooks/pre-command
index 1712cd771..fd898e8d3 100644
--- a/.buildkite/hooks/pre-command
+++ b/.buildkite/hooks/pre-command
@@ -19,8 +19,7 @@ pattern='^[0-9]+\.[0-9]+\.[0-9]+$'
 if [[ ${HOST_RUST_VERSION} =~ ${pattern} ]]; then
     HOST_RUST_VERSION="${rust_stable%.*}"
 fi
-CACHE_VERSION=1 # bump version to invalidate caches
-export CARGO_TARGET_CACHE=$HOME/cargo-target-cache/"$CHANNEL"-"$BUILDKITE_LABEL"-"$SBF_TOOLS_VERSION"-"$HOST_RUST_VERSION"-"$CACHE_VERSION"
+export CARGO_TARGET_CACHE=$HOME/cargo-target-cache/"$CHANNEL"-"$BUILDKITE_LABEL"-"$SBF_TOOLS_VERSION"-"$HOST_RUST_VERSION"
 (
   set -x
   MAX_CACHE_SIZE=18 # gigabytes