diff --git a/internal/locality/regional/schemas.go b/internal/locality/regional/schemas.go
index 29b5e196ad..e416d7583c 100644
--- a/internal/locality/regional/schemas.go
+++ b/internal/locality/regional/schemas.go
@@ -31,7 +31,11 @@ func Schema() *schema.Schema {
 		Description:      "The region you want to attach the resource to",
 		Optional:         true,
 		ForceNew:         true,
-		Computed:         true,
 		ValidateDiagFunc: locality.ValidateStringInSliceWithWarning(allRegions(), "region"),
+		DiffSuppressFunc: suppressSDKNullAssignment,
 	}
 }
+
+func suppressSDKNullAssignment(k, old, new string, d *schema.ResourceData) bool {
+	return new == "" && old != ""
+}
diff --git a/internal/locality/zonal/schemas.go b/internal/locality/zonal/schemas.go
index 279a981e18..382519038d 100644
--- a/internal/locality/zonal/schemas.go
+++ b/internal/locality/zonal/schemas.go
@@ -31,7 +31,11 @@ func Schema() *schema.Schema {
 		Description:      "The zone you want to attach the resource to",
 		Optional:         true,
 		ForceNew:         true,
-		Computed:         true,
 		ValidateDiagFunc: locality.ValidateStringInSliceWithWarning(AllZones(), "zone"),
+		DiffSuppressFunc: suppressSDKNullAssignment,
 	}
 }
+
+func suppressSDKNullAssignment(k, old, new string, d *schema.ResourceData) bool {
+	return new == "" && old != ""
+}