diff --git a/poky/meta/classes/buildhistory.bbclass b/poky/meta/classes/buildhistory.bbclass
index 117a44e..49af61c 100644
--- a/poky/meta/classes/buildhistory.bbclass
+++ b/poky/meta/classes/buildhistory.bbclass
@@ -678,13 +678,16 @@
 POPULATE_SDK_POST_TARGET_COMMAND_append = " buildhistory_list_installed_sdk_target;"
 POPULATE_SDK_POST_TARGET_COMMAND_append = " buildhistory_get_sdk_installed_target;"
 POPULATE_SDK_POST_TARGET_COMMAND[vardepvalueexclude] .= "| buildhistory_list_installed_sdk_target;| buildhistory_get_sdk_installed_target;"
+POPULATE_SDK_POST_TARGET_COMMAND[vardepsexclude] += "buildhistory_list_installed_sdk_target buildhistory_get_sdk_installed_target"
 
 POPULATE_SDK_POST_HOST_COMMAND_append = " buildhistory_list_installed_sdk_host;"
 POPULATE_SDK_POST_HOST_COMMAND_append = " buildhistory_get_sdk_installed_host;"
 POPULATE_SDK_POST_HOST_COMMAND[vardepvalueexclude] .= "| buildhistory_list_installed_sdk_host;| buildhistory_get_sdk_installed_host;"
+POPULATE_SDK_POST_HOST_COMMAND[vardepsexclude] += "buildhistory_list_installed_sdk_host buildhistory_get_sdk_installed_host"
 
 SDK_POSTPROCESS_COMMAND_append = " buildhistory_get_sdkinfo ; buildhistory_get_extra_sdkinfo; "
 SDK_POSTPROCESS_COMMAND[vardepvalueexclude] .= "| buildhistory_get_sdkinfo ; buildhistory_get_extra_sdkinfo; "
+SDK_POSTPROCESS_COMMAND[vardepsexclude] += "buildhistory_get_sdkinfo buildhistory_get_extra_sdkinfo"
 
 python buildhistory_write_sigs() {
     if not "task" in (d.getVar('BUILDHISTORY_FEATURES') or "").split():