diff --git a/R/server.R b/R/server.R
index 5b8c5d9..9e3f883 100644
--- a/R/server.R
+++ b/R/server.R
@@ -30,14 +30,9 @@ server <- function(input, output, session) {
         results <- withProgress(
             message = "Analyzing genes",
             value = 0.0, {
-                run_cached(
-                    rlang::hash(preset),
-                    geposan::analyze,
-                    preset,
-                    function(progress) {
-                        setProgress(progress)
-                    }
-                )
+                geposan::analyze(preset, function(progress) {
+                    setProgress(progress)
+                })
             }
         )
 
diff --git a/R/utils.R b/R/utils.R
index a373fac..cd2c6db 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -1,29 +1,3 @@
-# Run a function caching the result on the file system.
-#
-# The function will be called with the appended arguments. The [`id`] argument
-# will be used to identify the cache file on the file system and in log
-# messages.
-run_cached <- function(id, func, ...) {
-    if (!dir.exists("cache")) {
-        dir.create("cache")
-    }
-
-    cache_file <- paste("cache/", id, ".rds", sep = "")
-
-    if (file.exists(cache_file)) {
-        # If the cache file exists, we restore the data from it.
-        readRDS(cache_file)
-    } else {
-        # If the cache file doesn't exist, we have to do the computation.
-        data <- func(...)
-
-        # The results are cached for the next run.
-        saveRDS(data, cache_file)
-
-        data
-    }
-}
-
 # This is needed to make data.table's and shiny's symbols available within the
 # package.
 #' @import data.table