diff --git a/l10n/langpacks/en-DE/chrome/en-DE/messenger/locale/filter.properties b/l10n/langpacks/en-DE/chrome/en-DE/messenger/locale/filter.properties
index 54dc6a51611..e69de29bb2d 100644
--- a/l10n/langpacks/en-DE/chrome/en-DE/messenger/locale/filter.properties
+++ b/l10n/langpacks/en-DE/chrome/en-DE/messenger/locale/filter.properties
@@ -1,3 +0,0 @@
-mustSelectFolder=You must select a target folder.
-mustSelectPriority=You must select a priority.
-mustEnterName=You must give this filter a name.
\ No newline at end of file
diff --git a/l10n/langpacks/en-DE/chrome/en-DE/messenger/locale/search.properties b/l10n/langpacks/en-DE/chrome/en-DE/messenger/locale/search.properties
index 4c44a89977b..e69de29bb2d 100644
--- a/l10n/langpacks/en-DE/chrome/en-DE/messenger/locale/search.properties
+++ b/l10n/langpacks/en-DE/chrome/en-DE/messenger/locale/search.properties
@@ -1,22 +0,0 @@
-# search and filter strings
-
-searchCustomize="Customize Headers.."
-
-# these are the fields that get inserted in the search line
-# for "and" searches, this looks like:
-#
-# searchAnd0 <attribute> searchAnd1 <operator> searchAnd2 <value> searchAnd4
-#
-# for example, in english this looks like:
-# and the [Sender ] [doesn't contain] [John]
-#
-# TODO: need to special-case the first line (filterindex==0)
-#
-
-searchAnd0=and the
-searchOr0=or the
-
-
-# filter stuff
-
-deleteFilterConfirmation=Delete this filter?
diff --git a/l10n/langpacks/en-GB/chrome/en-GB/messenger/locale/filter.properties b/l10n/langpacks/en-GB/chrome/en-GB/messenger/locale/filter.properties
index 54dc6a51611..9d45fa6b3b6 100644
--- a/l10n/langpacks/en-GB/chrome/en-GB/messenger/locale/filter.properties
+++ b/l10n/langpacks/en-GB/chrome/en-GB/messenger/locale/filter.properties
@@ -1,3 +1,4 @@
 mustSelectFolder=You must select a target folder.
 mustSelectPriority=You must select a priority.
-mustEnterName=You must give this filter a name.
\ No newline at end of file
+mustEnterName=You must give this filter a name.
+deleteFilterConfirmation=Delete this filter?:w
diff --git a/l10n/langpacks/en-GB/chrome/en-GB/messenger/locale/search.properties b/l10n/langpacks/en-GB/chrome/en-GB/messenger/locale/search.properties
index 4c44a89977b..e69de29bb2d 100644
--- a/l10n/langpacks/en-GB/chrome/en-GB/messenger/locale/search.properties
+++ b/l10n/langpacks/en-GB/chrome/en-GB/messenger/locale/search.properties
@@ -1,22 +0,0 @@
-# search and filter strings
-
-searchCustomize="Customize Headers.."
-
-# these are the fields that get inserted in the search line
-# for "and" searches, this looks like:
-#
-# searchAnd0 <attribute> searchAnd1 <operator> searchAnd2 <value> searchAnd4
-#
-# for example, in english this looks like:
-# and the [Sender ] [doesn't contain] [John]
-#
-# TODO: need to special-case the first line (filterindex==0)
-#
-
-searchAnd0=and the
-searchOr0=or the
-
-
-# filter stuff
-
-deleteFilterConfirmation=Delete this filter?
diff --git a/mailnews/base/search/resources/locale/en-US/filter.properties b/mailnews/base/search/resources/locale/en-US/filter.properties
index 7109a2fc882..3b1bb33bb8d 100644
--- a/mailnews/base/search/resources/locale/en-US/filter.properties
+++ b/mailnews/base/search/resources/locale/en-US/filter.properties
@@ -3,3 +3,4 @@ mustSelectPriority=You must select a priority.
 mustEnterName=You must give this filter a name.
 cannotHaveDuplicateFilterTitle=Duplicate Filter Name
 cannotHaveDuplicateFilterMessage=The filter name you entered already exists. Please enter a different filter name.
+deleteFilterConfirmation=Delete this filter?
diff --git a/mailnews/base/search/resources/locale/en-US/search.properties b/mailnews/base/search/resources/locale/en-US/search.properties
index 375965cd449..e6d0a8c156a 100644
--- a/mailnews/base/search/resources/locale/en-US/search.properties
+++ b/mailnews/base/search/resources/locale/en-US/search.properties
@@ -19,7 +19,6 @@ searchOr0=or the
 
 # filter stuff
 
-deleteFilterConfirmation=Delete this filter?
 searchingMessage=Searching....
 searchSuccessMessage=Document: Done
 searchFailureMessage=No matches found