diff --git a/src/mainboard/asus/a8n_e/devicetree.cb b/src/mainboard/asus/a8n_e/devicetree.cb
index ca2ebf9ed0..1144f0c9ca 100644
--- a/src/mainboard/asus/a8n_e/devicetree.cb
+++ b/src/mainboard/asus/a8n_e/devicetree.cb
@@ -87,18 +87,6 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
             # chip drivers/generic/generic	# DIMM 0-1-1
             #   device i2c 53 on end
             # end
-            # chip drivers/generic/generic	# DIMM 1-0-0
-            #   device i2c 54 on end
-            # end
-            # chip drivers/generic/generic	# DIMM 1-0-1
-            #   device i2c 55 on end
-            # end
-            # chip drivers/generic/generic	# DIMM 1-1-0
-            #   device i2c 56 on end
-            # end
-            # chip drivers/generic/generic	# DIMM 1-1-1
-            #   device i2c 57 on end
-            # end
           end
           device pci 2.0 on end			# USB 1.1
           device pci 2.1 on end			# USB 2
diff --git a/src/mainboard/gigabyte/m57sli/devicetree.cb b/src/mainboard/gigabyte/m57sli/devicetree.cb
index fbad32ea12..3bae560c68 100644
--- a/src/mainboard/gigabyte/m57sli/devicetree.cb
+++ b/src/mainboard/gigabyte/m57sli/devicetree.cb
@@ -118,18 +118,6 @@ device pci_domain 0 on				# PCI domain
           chip drivers/generic/generic		# DIMM 0-1-1
             device i2c 53 on end
           end
-          chip drivers/generic/generic		# DIMM 1-0-0
-            device i2c 54 on end
-          end
-          chip drivers/generic/generic		# DIMM 1-0-1
-            device i2c 55 on end
-          end
-          chip drivers/generic/generic		# DIMM 1-1-0
-            device i2c 56 on end
-          end
-          chip drivers/generic/generic		# DIMM 1-1-1
-            device i2c 57 on end
-          end
         end
         device pci 2.0 on end			# USB 1.1
         device pci 2.1 on end			# USB 2
diff --git a/src/mainboard/jetway/pa78vm5/devicetree.cb b/src/mainboard/jetway/pa78vm5/devicetree.cb
index 42d3262cad..73f6ac25cd 100644
--- a/src/mainboard/jetway/pa78vm5/devicetree.cb
+++ b/src/mainboard/jetway/pa78vm5/devicetree.cb
@@ -46,12 +46,6 @@ chip northbridge/amd/amdfam10/root_complex
 						chip drivers/generic/generic #dimm 0-0-1
 							device i2c 51 on end
 						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
 					end # SM
 					device pci 14.1 on end # IDE    0x439c
 					device pci 14.2 on end # HDA    0x4383
diff --git a/src/mainboard/kontron/kt690/devicetree.cb b/src/mainboard/kontron/kt690/devicetree.cb
index aac5d5e3a0..85df3ae7bf 100644
--- a/src/mainboard/kontron/kt690/devicetree.cb
+++ b/src/mainboard/kontron/kt690/devicetree.cb
@@ -54,12 +54,6 @@ chip northbridge/amd/amdk8/root_complex
 						chip drivers/generic/generic #dimm 0-0-1
 							device i2c 51 on end
 						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
 					end # SM
 					device pci 14.1 on end # IDE    0x438c
 					device pci 14.2 on end # HDA    0x4383
diff --git a/src/mainboard/msi/ms7260/devicetree.cb b/src/mainboard/msi/ms7260/devicetree.cb
index ff7894ead8..6029371003 100644
--- a/src/mainboard/msi/ms7260/devicetree.cb
+++ b/src/mainboard/msi/ms7260/devicetree.cb
@@ -66,19 +66,6 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
             chip drivers/generic/generic	# DIMM 0-1-1
               device i2c 53 on end
             end
-            # TODO: Needed?
-            # chip drivers/generic/generic	# DIMM 1-0-0
-            #   device i2c 54 on end
-            # end
-            # chip drivers/generic/generic	# DIMM 1-0-1
-            #   device i2c 55 on end
-            # end
-            # chip drivers/generic/generic	# DIMM 1-1-0
-            #   device i2c 56 on end
-            # end
-            # chip drivers/generic/generic	# DIMM 1-1-1
-            #   device i2c 57 on end
-            # end
           end
           # TODO: Check if the stuff below is correct / needed.
           device pci 1.1 on			# SM 1
diff --git a/src/mainboard/technexion/tim5690/devicetree.cb b/src/mainboard/technexion/tim5690/devicetree.cb
index 90e443b50c..c129a2d9c6 100644
--- a/src/mainboard/technexion/tim5690/devicetree.cb
+++ b/src/mainboard/technexion/tim5690/devicetree.cb
@@ -51,15 +51,6 @@ chip northbridge/amd/amdk8/root_complex
 						chip drivers/generic/generic #dimm 0-0-0
 							device i2c 50 on end
 						end
-						chip drivers/generic/generic #dimm 0-0-1
-							device i2c 51 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
 					end # SM
 					device pci 14.1 on end # IDE    0x438c
 					device pci 14.2 on end # HDA    0x4383
diff --git a/src/mainboard/technexion/tim8690/devicetree.cb b/src/mainboard/technexion/tim8690/devicetree.cb
index d13c5dadc1..55a2e05323 100644
--- a/src/mainboard/technexion/tim8690/devicetree.cb
+++ b/src/mainboard/technexion/tim8690/devicetree.cb
@@ -54,12 +54,6 @@ chip northbridge/amd/amdk8/root_complex
 						chip drivers/generic/generic #dimm 0-0-1
 							device i2c 51 on end
 						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
 					end # SM
 					device pci 14.1 on end # IDE    0x438c
 					device pci 14.2 on end # HDA    0x4383