diff --git a/include/core/SkTextBlob.h b/include/core/SkTextBlob.h
index f47efb0..98e49e1 100644
--- a/include/core/SkTextBlob.h
+++ b/include/core/SkTextBlob.h
@@ -381,21 +381,13 @@
     const RunBuffer& allocRunRSXform(const SkFont& font, int count);
 
 private:
-    const RunBuffer& allocRunText(const SkFont& font,
-                                  int count,
-                                  SkScalar x,
-                                  SkScalar y,
-                                  int textByteCount,
-                                  SkString lang,
-                                  const SkRect* bounds = nullptr);
-    const RunBuffer& allocRunTextPosH(const SkFont& font, int count, SkScalar y,
-                                      int textByteCount, SkString lang,
+    const RunBuffer& allocRunText(const SkFont& font, int count, SkScalar x, SkScalar y,
+                                  int textByteCount, const SkRect* bounds = nullptr);
+    const RunBuffer& allocRunTextPosH(const SkFont& font, int count, SkScalar y, int textByteCount,
                                       const SkRect* bounds = nullptr);
-    const RunBuffer& allocRunTextPos(const SkFont& font, int count,
-                                     int textByteCount, SkString lang,
+    const RunBuffer& allocRunTextPos(const SkFont& font, int count, int textByteCount,
                                      const SkRect* bounds = nullptr);
-    const RunBuffer& allocRunRSXform(const SkFont& font, int count,
-                                     int textByteCount, SkString lang,
+    const RunBuffer& allocRunRSXform(const SkFont& font, int count, int textByteCount,
                                      const SkRect* bounds = nullptr);
 
     void reserve(size_t size);
diff --git a/modules/skplaintexteditor/src/shape.cpp b/modules/skplaintexteditor/src/shape.cpp
index d37350b..b42fcf5 100644
--- a/modules/skplaintexteditor/src/shape.cpp
+++ b/modules/skplaintexteditor/src/shape.cpp
@@ -114,7 +114,7 @@
     int utf8RangeSize = SkTFitsIn<int>(info.utf8Range.size()) ? info.utf8Range.size() : INT_MAX;
 
     const auto& runBuffer = SkTextBlobBuilderPriv::AllocRunTextPos(&fBuilder, info.fFont, glyphCount,
-                                                                   utf8RangeSize, SkString());
+                                                                   utf8RangeSize);
     fCurrentGlyphs = runBuffer.glyphs;
     fCurrentPoints = runBuffer.points();
 
diff --git a/modules/skshaper/src/SkShaper.cpp b/modules/skshaper/src/SkShaper.cpp
index d52a722..8672906 100644
--- a/modules/skshaper/src/SkShaper.cpp
+++ b/modules/skshaper/src/SkShaper.cpp
@@ -226,7 +226,7 @@
     int utf8RangeSize = SkTFitsIn<int>(info.utf8Range.size()) ? info.utf8Range.size() : INT_MAX;
 
     const auto& runBuffer = SkTextBlobBuilderPriv::AllocRunTextPos(&fBuilder, info.fFont, glyphCount,
-                                                                   utf8RangeSize, SkString());
+                                                                   utf8RangeSize);
     if (runBuffer.utf8text && fUtf8Text) {
         memcpy(runBuffer.utf8text, fUtf8Text + info.utf8Range.begin(), utf8RangeSize);
     }
diff --git a/src/core/SkTextBlob.cpp b/src/core/SkTextBlob.cpp
index be04a57..dba6c30 100644
--- a/src/core/SkTextBlob.cpp
+++ b/src/core/SkTextBlob.cpp
@@ -553,7 +553,6 @@
 const SkTextBlobBuilder::RunBuffer& SkTextBlobBuilder::allocRunText(const SkFont& font, int count,
                                                                     SkScalar x, SkScalar y,
                                                                     int textByteCount,
-                                                                    SkString lang,
                                                                     const SkRect* bounds) {
     this->allocInternal(font,
                         SkTextBlob::kDefault_Positioning,
@@ -564,10 +563,10 @@
     return fCurrentRunBuffer;
 }
 
-const SkTextBlobBuilder::RunBuffer& SkTextBlobBuilder::allocRunTextPosH(const SkFont& font, int count,
+const SkTextBlobBuilder::RunBuffer& SkTextBlobBuilder::allocRunTextPosH(const SkFont& font,
+                                                                        int count,
                                                                         SkScalar y,
                                                                         int textByteCount,
-                                                                        SkString lang,
                                                                         const SkRect* bounds) {
     this->allocInternal(font,
                         SkTextBlob::kHorizontal_Positioning,
@@ -578,9 +577,9 @@
     return fCurrentRunBuffer;
 }
 
-const SkTextBlobBuilder::RunBuffer& SkTextBlobBuilder::allocRunTextPos(const SkFont& font, int count,
+const SkTextBlobBuilder::RunBuffer& SkTextBlobBuilder::allocRunTextPos(const SkFont& font,
+                                                                       int count,
                                                                        int textByteCount,
-                                                                       SkString lang,
                                                                        const SkRect *bounds) {
     this->allocInternal(font,
                         SkTextBlob::kFull_Positioning,
@@ -590,9 +589,9 @@
     return fCurrentRunBuffer;
 }
 
-const SkTextBlobBuilder::RunBuffer& SkTextBlobBuilder::allocRunRSXform(const SkFont& font, int count,
+const SkTextBlobBuilder::RunBuffer& SkTextBlobBuilder::allocRunRSXform(const SkFont& font,
+                                                                       int count,
                                                                        int textByteCount,
-                                                                       SkString lang,
                                                                        const SkRect* bounds) {
     this->allocInternal(font,
                         SkTextBlob::kRSXform_Positioning,
@@ -738,17 +737,17 @@
         switch (pos) {
             case SkTextBlob::kDefault_Positioning:
                 buf = &blobBuilder.allocRunText(font, glyphCount, offset.x(), offset.y(),
-                                                textSize, SkString(), &bounds);
+                                                textSize, &bounds);
                 break;
             case SkTextBlob::kHorizontal_Positioning:
                 buf = &blobBuilder.allocRunTextPosH(font, glyphCount, offset.y(),
-                                                    textSize, SkString(), &bounds);
+                                                    textSize, &bounds);
                 break;
             case SkTextBlob::kFull_Positioning:
-                buf = &blobBuilder.allocRunTextPos(font, glyphCount, textSize, SkString(), &bounds);
+                buf = &blobBuilder.allocRunTextPos(font, glyphCount, textSize, &bounds);
                 break;
             case SkTextBlob::kRSXform_Positioning:
-                buf = &blobBuilder.allocRunRSXform(font, glyphCount, textSize, SkString(), &bounds);
+                buf = &blobBuilder.allocRunRSXform(font, glyphCount, textSize, &bounds);
                 break;
         }
 
diff --git a/src/core/SkTextBlobPriv.h b/src/core/SkTextBlobPriv.h
index bdfba75..1403c5c 100644
--- a/src/core/SkTextBlobPriv.h
+++ b/src/core/SkTextBlobPriv.h
@@ -43,23 +43,23 @@
 public:
     static const SkTextBlobBuilder::RunBuffer& AllocRunText(SkTextBlobBuilder* builder,
             const SkFont& font, int count, SkScalar x, SkScalar y, int textByteCount,
-            SkString lang, const SkRect* bounds = nullptr) {
-        return builder->allocRunText(font, count, x, y, textByteCount, lang, bounds);
+            const SkRect* bounds = nullptr) {
+        return builder->allocRunText(font, count, x, y, textByteCount, bounds);
     }
     static const SkTextBlobBuilder::RunBuffer& AllocRunTextPosH(SkTextBlobBuilder* builder,
-            const SkFont& font, int count, SkScalar y, int textByteCount, SkString lang,
+            const SkFont& font, int count, SkScalar y, int textByteCount,
             const SkRect* bounds = nullptr) {
-        return builder->allocRunTextPosH(font, count, y, textByteCount, lang, bounds);
+        return builder->allocRunTextPosH(font, count, y, textByteCount, bounds);
     }
     static const SkTextBlobBuilder::RunBuffer& AllocRunTextPos(SkTextBlobBuilder* builder,
-            const SkFont& font, int count, int textByteCount, SkString lang,
+            const SkFont& font, int count, int textByteCount,
             const SkRect* bounds = nullptr) {
-        return builder->allocRunTextPos(font, count, textByteCount, lang, bounds);
+        return builder->allocRunTextPos(font, count, textByteCount, bounds);
     }
     static const SkTextBlobBuilder::RunBuffer& AllocRunRSXForm(SkTextBlobBuilder* builder,
-            const SkFont& font, int count, int textByteCount, SkString lang,
+            const SkFont& font, int count, int textByteCount,
             const SkRect* bounds = nullptr) {
-        return builder->allocRunRSXform(font, count, textByteCount, lang, bounds);
+        return builder->allocRunRSXform(font, count, textByteCount, bounds);
     }
 };
 
diff --git a/tests/TextBlobTest.cpp b/tests/TextBlobTest.cpp
index 77cc108..f84690f 100644
--- a/tests/TextBlobTest.cpp
+++ b/tests/TextBlobTest.cpp
@@ -324,7 +324,7 @@
     (void)font.textToGlyphs(text1, strlen(text1), SkTextEncoding::kUTF8, glyphs.get(), glyphCount);
 
     auto run = SkTextBlobBuilderPriv::AllocRunText(&textBlobBuilder,
-            font, glyphCount, 0, 0, SkToInt(strlen(text2)), SkString(), nullptr);
+            font, glyphCount, 0, 0, SkToInt(strlen(text2)), nullptr);
     memcpy(run.glyphs, glyphs.get(), sizeof(uint16_t) * glyphCount);
     memcpy(run.utf8text, text2, strlen(text2));
     for (int i = 0; i < glyphCount; ++i) {
diff --git a/tools/viewer/Viewer.cpp b/tools/viewer/Viewer.cpp
index 1f35021..d7068a3 100644
--- a/tools/viewer/Viewer.cpp
+++ b/tools/viewer/Viewer.cpp
@@ -1279,16 +1279,16 @@
             const SkTextBlobBuilder::RunBuffer& runBuffer
                 = it.positioning() == SkTextBlobRunIterator::kDefault_Positioning
                     ? SkTextBlobBuilderPriv::AllocRunText(&builder, font,
-                        it.glyphCount(), it.offset().x(),it.offset().y(), it.textSize(), SkString())
+                        it.glyphCount(), it.offset().x(),it.offset().y(), it.textSize())
                 : it.positioning() == SkTextBlobRunIterator::kHorizontal_Positioning
                     ? SkTextBlobBuilderPriv::AllocRunTextPosH(&builder, font,
-                        it.glyphCount(), it.offset().y(), it.textSize(), SkString())
+                        it.glyphCount(), it.offset().y(), it.textSize())
                 : it.positioning() == SkTextBlobRunIterator::kFull_Positioning
                     ? SkTextBlobBuilderPriv::AllocRunTextPos(&builder, font,
-                        it.glyphCount(), it.textSize(), SkString())
+                        it.glyphCount(), it.textSize())
                 : it.positioning() == SkTextBlobRunIterator::kRSXform_Positioning
                     ? SkTextBlobBuilderPriv::AllocRunRSXForm(&builder, font,
-                        it.glyphCount(), it.textSize(), SkString())
+                        it.glyphCount(), it.textSize())
                 : (SkASSERT_RELEASE(false), SkTextBlobBuilder::RunBuffer());
             uint32_t glyphCount = it.glyphCount();
             if (it.glyphs()) {