diff --git a/base/src/com/google/idea/blaze/base/project/indexing/FileSystemWarmUpService.kt b/base/src/com/google/idea/blaze/base/project/indexing/FileSystemWarmUpService.kt
index 32a495e6c94..e003e41919a 100644
--- a/base/src/com/google/idea/blaze/base/project/indexing/FileSystemWarmUpService.kt
+++ b/base/src/com/google/idea/blaze/base/project/indexing/FileSystemWarmUpService.kt
@@ -56,7 +56,7 @@ class FileSystemWarmUpService(val project: Project, val coroutineScope: Coroutin
   private val logger = thisLogger()
 
   companion object {
-    private val fileSystemWarmUpExperimentEnabled = BoolExperiment("file.system.warm.up.enabled", true)
+    private val fileSystemWarmUpExperimentEnabled = BoolExperiment("file.system.warm.up.enabled", false)
     private val fileSystemWarmUpExperimentThreads = IntExperiment("file.system.warm.up.threads", 50)
   }