diff --git a/Registry.toml b/Registry.toml
index ced7320d..f10c25ea 100644
--- a/Registry.toml
+++ b/Registry.toml
@@ -39,7 +39,6 @@ a374f348-d733-473a-88bc-8a13261ed0c1 = { name = "MassApplyPatch", path = "M/Mass
 ae191fcf-7ec6-40a6-95c9-dedb80b28f91 = { name = "PkgDependents", path = "P/PkgDependents" }
 b6bf39f1-c9d3-4bad-aad8-593d802f65fd = { name = "ITensorFormatter", path = "I/ITensorFormatter" }
 bc96ca6e-b7c8-4bb6-888e-c93f838762c2 = { name = "GradedArrays", path = "G/GradedArrays" }
-be4d3e89-4dcc-4f34-a73c-076e5da60062 = { name = "TestPackage", path = "T/TestPackage" }
 c7a6d0f7-daa6-4368-ba67-89ed64127c3b = { name = "QuantumOperatorAlgebra", path = "Q/QuantumOperatorAlgebra" }
 decf83d6-1968-43f4-96dc-fdb3fe15fc6d = { name = "TensorProducts", path = "T/TensorProducts" }
 e16ca583-1f51-4df0-8e12-57d32947d33e = { name = "FusionTensors", path = "F/FusionTensors" }
diff --git a/T/TestPackage/Compat.toml b/T/TestPackage/Compat.toml
deleted file mode 100644
index 503531e6..00000000
--- a/T/TestPackage/Compat.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[0]
-julia = "1.10.0 - 1"
diff --git a/T/TestPackage/Deps.toml b/T/TestPackage/Deps.toml
deleted file mode 100644
index e69de29b..00000000
diff --git a/T/TestPackage/Package.toml b/T/TestPackage/Package.toml
deleted file mode 100644
index 267e4d89..00000000
--- a/T/TestPackage/Package.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-name = "TestPackage"
-uuid = "be4d3e89-4dcc-4f34-a73c-076e5da60062"
-repo = "https://github.com/ITensor/TestPackage.jl.git"
diff --git a/T/TestPackage/Versions.toml b/T/TestPackage/Versions.toml
deleted file mode 100644
index 9e5b7995..00000000
--- a/T/TestPackage/Versions.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-["0.1.0"]
-git-tree-sha1 = "c1715160d3f7c8272faaa414e4dc6a0047336246"