diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 45c7e4c8..931e20aa 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -2575,8 +2575,6 @@ Perl6:
 Pickle:
   type: data
   extensions:
-  - .p
-  - .pickle
   - .pkl
   tm_scope: none
   ace_mode: text
diff --git a/samples/Pickle/data.p b/samples/Pickle/data.pkl
similarity index 100%
rename from samples/Pickle/data.p
rename to samples/Pickle/data.pkl
diff --git a/samples/Pickle/neural-network-ce-l2reg-784-10-30.p b/samples/Pickle/neural-network-ce-l2reg-784-10-30.pkl
similarity index 100%
rename from samples/Pickle/neural-network-ce-l2reg-784-10-30.p
rename to samples/Pickle/neural-network-ce-l2reg-784-10-30.pkl
diff --git a/samples/Pickle/random.p b/samples/Pickle/random.pkl
similarity index 100%
rename from samples/Pickle/random.p
rename to samples/Pickle/random.pkl
diff --git a/samples/Pickle/save.p b/samples/Pickle/save.pkl
similarity index 100%
rename from samples/Pickle/save.p
rename to samples/Pickle/save.pkl