diff --git a/Utilities/ocvalidate/README.md b/Utilities/ocvalidate/README.md
index f590d8bf..521e46df 100644
--- a/Utilities/ocvalidate/README.md
+++ b/Utilities/ocvalidate/README.md
@@ -27,7 +27,6 @@ Utility to validate whether a `config.plist` matches requirements and convention
 ### ACPI
 #### Add
 - Entry[N]->Path: Only `.aml` and `.bin` filename suffix are accepted.
-- Entry[N]->Path: If a customised DSDT is added and enabled, `RebaseRegions` in `ACPI->Quirks` should be enabled.
 
 ### Booter
 #### MmioWhitelist
diff --git a/Utilities/ocvalidate/ValidateAcpi.c b/Utilities/ocvalidate/ValidateAcpi.c
index 2a3467fc..554f467f 100644
--- a/Utilities/ocvalidate/ValidateAcpi.c
+++ b/Utilities/ocvalidate/ValidateAcpi.c
@@ -59,11 +59,9 @@ CheckACPIAdd (
   OC_ACPI_CONFIG  *UserAcpi;
   CONST CHAR8     *Path;
   CONST CHAR8     *Comment;
-  BOOLEAN         HasCustomDSDT;
 
   ErrorCount      = 0;
   UserAcpi        = &Config->Acpi;
-  HasCustomDSDT   = FALSE;
 
   for (Index = 0; Index < UserAcpi->Add.Count; ++Index) {
     Path          = OC_BLOB_GET (&UserAcpi->Add.Values[Index]->Path);
@@ -86,10 +84,6 @@ CheckACPIAdd (
       DEBUG ((DEBUG_WARN, "ACPI->Add[%u]->Path has filename suffix other than .aml and .bin!\n", Index));
       ++ErrorCount;
     }
-
-    if (OcAsciiStriStr (Path, "DSDT") != NULL && UserAcpi->Add.Values[Index]->Enabled) {
-      HasCustomDSDT = TRUE;
-    }
   }
 
   //
@@ -102,14 +96,6 @@ CheckACPIAdd (
     ACPIAddHasDuplication
     );
 
-  //
-  // Check for RebaseRegions when using customised DSDT.
-  //
-  if (HasCustomDSDT && !UserAcpi->Quirks.RebaseRegions) {
-    DEBUG ((DEBUG_WARN, "ACPI->Quirks->RebaseRegions is not enabled when customised DSDT table is in use!\n"));
-    ++ErrorCount;
-  }
-
   return ErrorCount;
 }