diff --git a/dist/setup/index.js b/dist/setup/index.js
index d2061e7d..b0c6cbcd 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -73283,7 +73283,6 @@ function versionMatcherFactory(versionSpec) {
     if (validVersion) {
         switch (exports.distributionOf(versionSpec)) {
             case Distributions.CANARY:
-            case Distributions.NIGHTLY:
                 return exports.nightlyRangeVersionMatcherFactory(versionSpec, Distributions.CANARY);
             case Distributions.NIGHTLY:
                 return exports.nightlyRangeVersionMatcherFactory(versionSpec, Distributions.NIGHTLY);
diff --git a/src/installer.ts b/src/installer.ts
index 7049b538..238337a5 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -132,7 +132,6 @@ export function versionMatcherFactory(versionSpec: string): VersionMatcher {
   if (validVersion) {
     switch (distributionOf(versionSpec)) {
       case Distributions.CANARY:
-      case Distributions.NIGHTLY:
         return nightlyRangeVersionMatcherFactory(
           versionSpec,
           Distributions.CANARY