diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0421aa..c94b934 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- Remove duplicate pipenv metric event (#1070).
 - Emit metrics for how the Python version was chosen for an app (#1069).
 - Emit Python version metric events for all builds, not just clean installs (#1066).
 
diff --git a/bin/steps/pipenv b/bin/steps/pipenv
index c799c7d..d5a5ba1 100755
--- a/bin/steps/pipenv
+++ b/bin/steps/pipenv
@@ -9,9 +9,6 @@ set -e
 if [[ -f Pipfile.lock ]]; then
     if [[ -f .heroku/python/Pipfile.lock.sha256 ]]; then
         if [[ $(openssl dgst -sha256 Pipfile.lock) == $(cat .heroku/python/Pipfile.lock.sha256) ]]; then
-            # Measure that we're using Pipenv.
-            mcount "tool.pipenv"
-
             # Don't skip installation of there are git deps.
             if ! grep -q 'git' Pipfile.lock; then
                 echo "Skipping installation, as Pipfile.lock hasn't changed since last deploy." | indent