diff --git a/indra/llui/lltrans.cpp b/indra/llui/lltrans.cpp
index 8410031653..0c6c5b64e4 100644
--- a/indra/llui/lltrans.cpp
+++ b/indra/llui/lltrans.cpp
@@ -28,12 +28,8 @@
 
 #include "lltrans.h"
 
-#include "llfasttimer.h"    // for call count statistics
 #include "llxuiparser.h"
 #include "llsd.h"
-#include "llxmlnode.h"
-
-#include <map>
 
 LLTrans::template_map_t LLTrans::sStringTemplates;
 LLTrans::template_map_t LLTrans::sDefaultStringTemplates;
@@ -59,7 +55,7 @@ struct StringTable : public LLInitParam::Block<StringTable>
 };
 
 //static
-bool LLTrans::parseStrings(LLXMLNodePtr &root, const std::set<std::string>& default_args)
+bool LLTrans::parseStrings(LLXMLNodePtr& root, const std::set<std::string>& default_args)
 {
     std::string xml_filename = "(strings file)";
     if (!root->hasName("strings"))
@@ -107,7 +103,7 @@ bool LLTrans::parseStrings(LLXMLNodePtr &root, const std::set<std::string>& defa
 
 
 //static
-bool LLTrans::parseLanguageStrings(LLXMLNodePtr &root)
+bool LLTrans::parseLanguageStrings(LLXMLNodePtr& root)
 {
     std::string xml_filename = "(language strings file)";
     if (!root->hasName("strings"))
@@ -138,10 +134,6 @@ bool LLTrans::parseLanguageStrings(LLXMLNodePtr &root)
     return true;
 }
 
-
-
-static LLTrace::BlockTimerStatHandle FTM_GET_TRANS("Translate string");
-
 //static
 std::string LLTrans::getString(std::string_view xml_desc, const LLStringUtil::format_map_t& msg_args, bool def_string)
 {
@@ -235,7 +227,7 @@ std::string LLTrans::getDefString(std::string_view xml_desc, const LLSD& msg_arg
 }
 
 //static
-bool LLTrans::findString(std::string &result, std::string_view xml_desc, const LLStringUtil::format_map_t& msg_args)
+bool LLTrans::findString(std::string& result, std::string_view xml_desc, const LLStringUtil::format_map_t& msg_args)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_UI;
 
@@ -257,7 +249,7 @@ bool LLTrans::findString(std::string &result, std::string_view xml_desc, const L
 }
 
 //static
-bool LLTrans::findString(std::string &result, std::string_view xml_desc, const LLSD& msg_args)
+bool LLTrans::findString(std::string& result, std::string_view xml_desc, const LLSD& msg_args)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_UI;
 
@@ -277,7 +269,7 @@ bool LLTrans::findString(std::string &result, std::string_view xml_desc, const L
 }
 
 //static
-std::string LLTrans::getCountString(const std::string& language, const std::string& xml_desc, S32 count)
+std::string LLTrans::getCountString(std::string_view language, std::string_view xml_desc, S32 count)
 {
     // Compute which string identifier to use
     const char* form = "";
@@ -337,7 +329,7 @@ std::string LLTrans::getCountString(const std::string& language, const std::stri
     args["[COUNT]"] = llformat("%d", count);
 
     // Look up "AgeYearsB" or "AgeWeeksC" including the "form"
-    std::string key = llformat("%s%s", xml_desc.c_str(), form);
+    std::string key = llformat("%s%s", xml_desc.data(), form);
     return getString(key, args);
 }
 
diff --git a/indra/llui/lltrans.h b/indra/llui/lltrans.h
index 3492ed0169..c5d01e6f8d 100644
--- a/indra/llui/lltrans.h
+++ b/indra/llui/lltrans.h
@@ -30,10 +30,8 @@
 #include <map>
 #include <set>
 
-#include "llpointer.h"
 #include "llstring.h"
-
-class LLXMLNode;
+#include "llxmlnode.h"
 
 class LLSD;
 
@@ -58,17 +56,17 @@ class LLTransTemplate
 class LLTrans
 {
 public:
-    LLTrans();
+    LLTrans() = default;
 
     /**
      * @brief Parses the xml root that holds the strings. Used once on startup
-// *FIXME    * @param xml_filename Filename to parse
+     * @param root xml root node to parse
      * @param default_args Set of strings (expected to be in the file) to use as default replacement args, e.g. "SECOND_LIFE"
      * @returns true if the file was parsed successfully, true if something went wrong
      */
-    static bool parseStrings(LLPointer<LLXMLNode> & root, const std::set<std::string>& default_args);
+    static bool parseStrings(LLXMLNodePtr& root, const std::set<std::string>& default_args);
 
-    static bool parseLanguageStrings(LLPointer<LLXMLNode> & root);
+    static bool parseLanguageStrings(LLXMLNodePtr& root);
 
     /**
      * @brief Returns a translated string
@@ -80,14 +78,14 @@ class LLTrans
     static std::string getDefString(std::string_view xml_desc, const LLStringUtil::format_map_t& args);
     static std::string getString(std::string_view xml_desc, const LLSD& args, bool def_string = false);
     static std::string getDefString(std::string_view xml_desc, const LLSD& args);
-    static bool findString(std::string &result, std::string_view xml_desc, const LLStringUtil::format_map_t& args);
-    static bool findString(std::string &result, std::string_view xml_desc, const LLSD& args);
+    static bool findString(std::string& result, std::string_view xml_desc, const LLStringUtil::format_map_t& args);
+    static bool findString(std::string& result, std::string_view xml_desc, const LLSD& args);
 
     // Returns translated string with [COUNT] replaced with a number, following
     // special per-language logic for plural nouns.  For example, some languages
     // may have different plurals for 0, 1, 2 and > 2.
     // See "AgeWeeksA", "AgeWeeksB", etc. in strings.xml for examples.
-    static std::string getCountString(const std::string& language, const std::string& xml_desc, S32 count);
+    static std::string getCountString(std::string_view language, std::string_view xml_desc, S32 count);
 
     /**
      * @brief Returns a translated string