diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index a95d828..4ed8673 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -42,7 +42,7 @@
 
 DEFAULT_PLATFORM_VERSION := UP1A
 .KATI_READONLY := DEFAULT_PLATFORM_VERSION
-MIN_PLATFORM_VERSION := TP1A
+MIN_PLATFORM_VERSION := UP1A
 MAX_PLATFORM_VERSION := UP1A
 
 # The last stable version name of the platform that was released.  During
@@ -53,7 +53,6 @@
 
 # These are the current development codenames, if the build is not a final
 # release build.  If this is a final release build, it is simply "REL".
-PLATFORM_VERSION_CODENAME.TP1A := Tiramisu
 PLATFORM_VERSION_CODENAME.UP1A := UpsideDownCake
 
 # This is the user-visible version.  In a final release build it should