diff --git a/test/gpu/LocalPreferences.toml b/test/gpu/LocalPreferences.toml
deleted file mode 100644
index b65c691..0000000
--- a/test/gpu/LocalPreferences.toml
+++ /dev/null
@@ -1,7 +0,0 @@
-[CUDA_Runtime_jll]
-version = "12.6"
-
-[CUDA_Driver_jll]
-# Disable forward-compat driver — V100 runners need the system driver
-# since CUDA_Driver_jll v13+ drops compute capability 7.0 support
-compat = "false"
diff --git a/test/gpu/Project.toml b/test/gpu/Project.toml
index 608a8dc..18ce094 100644
--- a/test/gpu/Project.toml
+++ b/test/gpu/Project.toml
@@ -1,7 +1,5 @@
 [deps]
 CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
-CUDA_Driver_jll = "4ee394cb-3365-5eb0-8335-949819d2adfc"
-CUDA_Runtime_jll = "76a88914-d11a-5bdc-97e0-2f5a05c973a2"
 
 [compat]
-CUDA = "4, 5"
+CUDA = "3.12, 4, 5"