1 files changed, 1 insertions, 5 deletions
diff --git a/ethosu/vela/numeric_util.py b/ethosu/vela/numeric_util.py
index 3d26444a..4ebef8e5 100644
--- a/ethosu/vela/numeric_util.py
+++ b/ethosu/vela/numeric_util.py
@@ -77,17 +77,13 @@ def clamp_tanh(x):
     return y
 
 
-def sigmoid(x):
-    return 1 / (1 + math.exp(-x))
-
-
 def clamp_sigmoid(x):
     if x <= -8:
         y = 0.0
     elif x >= 8:
         y = 1.0
     else:
-        y = sigmoid(x)
+        y = 1 / (1 + math.exp(-x))
     return y