diff --git a/vsa/value_set/lib/Makefile b/vsa/value_set/lib/Makefile
index 9ed72ca..832c716 100644
--- a/vsa/value_set/lib/Makefile
+++ b/vsa/value_set/lib/Makefile
@@ -3,7 +3,6 @@ project = cbat_value_set
 all: build
 
 clean.local:
-	opam pin remove -y .
 	dune uninstall
 	dune clean
 
@@ -12,7 +11,6 @@ build:
 
 install.local: build
 	dune install
-	opam pin add -y .
 
 doc:
 	dune build @doc