diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index a848bfef70..bd530c73e2 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -352,12 +352,6 @@ DEFINE DTC_BIN                 = ENV(DTC_PREFIX)dtc
 #                             Required to build platforms or ACPI tables:
 #                               Intel(r) ACPI Compiler from
 #                               https://acpica.org/downloads
-#   GCC45       -Linux,Windows-  Requires:
-#                             GCC 4.5 targeting x86_64-linux-gnu
-#                        Optional:
-#                             Required to build platforms or ACPI tables:
-#                               Intel(r) ACPI Compiler from
-#                               https://acpica.org/downloads
 #   GCC48       -Linux,Windows-  Requires:
 #                             GCC 4.8 targeting x86_64-linux-gnu, aarch64-linux-gnu, or arm-linux-gnueabi
 #                        Optional: