diff --git a/scripts/setup-localnet/get-latest-validator-release-version.sh b/scripts/setup-localnet/get-latest-validator-release-version.sh
deleted file mode 100755
index 2d297c917..000000000
--- a/scripts/setup-localnet/get-latest-validator-release-version.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-# fetch the latest solana release version
-(
-    set -e
-    version=$(node -e \
-      'fetch("https://api.github.com/repos/anza-xyz/agave/releases").then(res => res.json().then(rs => rs.filter(r => !r.prerelease && r.tag_name.startsWith("v1.18."))).then(x => console.log(x[0].tag_name)));'
-    )
-    if [ -z $version ]; then
-      exit 3
-    fi
-    # Remove the "v" prefix
-    version=${version#v}
-    echo $version
-)
-errorCode=$?
-if [ $errorCode -ne 0 ]; then
-  # Bust the cache with a timestamp if no version could be found.
-  echo $(date +%s)
-fi
\ No newline at end of file
diff --git a/scripts/setup-localnet/localnet.sh b/scripts/setup-localnet/localnet.sh
index 9f0eace8a..39c819b56 100755
--- a/scripts/setup-localnet/localnet.sh
+++ b/scripts/setup-localnet/localnet.sh
@@ -6,7 +6,7 @@ cpu_struct="linux";
 # Clean up first
 bash "$(dirname -- "$0";)/localnet.down.sh"
 
-container_version=v$(bash $(dirname -- "$0";)/get-latest-validator-release-version.sh)
+container_version=v1.18.22
 container_name="chainlink-solana.test-validator"
 
 echo "Starting $container_name@$container_version"
diff --git a/solana.nix b/solana.nix
index b84b01b68..23a077ae1 100644
--- a/solana.nix
+++ b/solana.nix
@@ -6,7 +6,7 @@
 # It provides two derivations, one for x86_64-linux and another for aarch64-apple-darwin.
 # Each derivation downloads the corresponding Solana release.
 let
-  version = "v1.99.22";
+  version = "v1.18.22";
   getBinDerivation =
     {
       name,
@@ -83,7 +83,6 @@ in
       mkdir -p $out/bin
       cp $src/localnet.sh $out/bin/${name}
       cp $src/localnet.down.sh $out/bin/
-      cp $src/get-latest-validator-release-version.sh $out/bin/
       chmod +x $out/bin/${name}
     '';
   };