diff --git a/src/northbridge/amd/agesa/Kconfig b/src/northbridge/amd/agesa/Kconfig
index 4bf1d472b8..e1e129a97d 100644
--- a/src/northbridge/amd/agesa/Kconfig
+++ b/src/northbridge/amd/agesa/Kconfig
@@ -35,8 +35,4 @@ config HEAP_SIZE
 	hex
 	default 0xc0000
 
-config RAMTOP
-	hex
-	default 0x400000
-
 endif # NORTHBRIDGE_AMD_AGESA
diff --git a/src/northbridge/amd/pi/Kconfig b/src/northbridge/amd/pi/Kconfig
index 7da2ae9e64..a1cb58d4fa 100644
--- a/src/northbridge/amd/pi/Kconfig
+++ b/src/northbridge/amd/pi/Kconfig
@@ -53,16 +53,8 @@ config HW_MEM_HOLE_SIZE_AUTO_INC
 	bool
 	default n
 
-config RAMTOP
-	hex
-	default 0x1000000
-
 config HEAP_SIZE
 	hex
 	default 0xc0000
 
-config RAMBASE
-	hex
-	default 0x200000
-
 endif # NORTHBRIDGE_AMD_PI
diff --git a/src/soc/amd/stoneyridge/Kconfig b/src/soc/amd/stoneyridge/Kconfig
index f2aa9ed106..9596dc81f2 100644
--- a/src/soc/amd/stoneyridge/Kconfig
+++ b/src/soc/amd/stoneyridge/Kconfig
@@ -143,18 +143,10 @@ config S3_VGA_ROM_RUN
 	bool
 	default n
 
-config RAMTOP
-	hex
-	default 0x1000000
-
 config HEAP_SIZE
 	hex
 	default 0xc0000
 
-config RAMBASE
-	hex
-	default 0x200000
-
 config SOUTHBRIDGE_AMD_STONEYRIDGE_SKIP_ISA_DMA_INIT
 	bool
 	default n