diff --git a/aggrid.py b/aggrid.py
index 761f47e..aeaef0e 100644
--- a/aggrid.py
+++ b/aggrid.py
@@ -1,7 +1,5 @@
 from st_aggrid import AgGrid, GridOptionsBuilder
 
-from utils import make_key
-
 
 def aggrid(df, reload_data=False):
     df = df[::-1] # display in reversed chronological order
@@ -34,3 +32,12 @@ def aggrid(df, reload_data=False):
 
 
 
+def make_key(df):
+    """
+    encode the dataframe's column names into a key,
+    this triggers a hard reload (like F5) of the AgGrid if the columns change
+    """
+    return "stand:" + "+".join(str(col) for col in df.columns)
+
+
+
diff --git a/utils/__init__.py b/utils/__init__.py
index 30ce09d..e69de29 100644
--- a/utils/__init__.py
+++ b/utils/__init__.py
@@ -1,4 +0,0 @@
-
-from .utils import *
-
-
diff --git a/utils/utils.py b/utils/utils.py
deleted file mode 100644
index a95a151..0000000
--- a/utils/utils.py
+++ /dev/null
@@ -1,9 +0,0 @@
-
-def make_key(df):
-    """
-    encode the dataframe's column names into a key,
-    this triggers a hard reload (like F5) of the AgGrid if the columns change
-    """
-    return "stand:" + "+".join(str(col) for col in df.columns)
-
-