diff --git a/compiler/dex/quick/dex_file_method_inliner.cc b/compiler/dex/quick/dex_file_method_inliner.cc
index e1a2838..eaf2408 100644
--- a/compiler/dex/quick/dex_file_method_inliner.cc
+++ b/compiler/dex/quick/dex_file_method_inliner.cc
@@ -756,14 +756,7 @@
     return *class_index;
   }
 
-  const DexFile::StringId* string_id = dex_file->FindStringId(kClassCacheNames[index]);
-  if (string_id == nullptr) {
-    *class_index = kIndexNotFound;
-    return *class_index;
-  }
-  uint32_t string_index = dex_file->GetIndexForStringId(*string_id);
-
-  const DexFile::TypeId* type_id = dex_file->FindTypeId(string_index);
+  const DexFile::TypeId* type_id = dex_file->FindTypeId(kClassCacheNames[index]);
   if (type_id == nullptr) {
     *class_index = kIndexNotFound;
     return *class_index;
diff --git a/compiler/driver/compiler_driver-inl.h b/compiler/driver/compiler_driver-inl.h
index 1a7dbe3..14ba81d 100644
--- a/compiler/driver/compiler_driver-inl.h
+++ b/compiler/driver/compiler_driver-inl.h
@@ -187,15 +187,11 @@
         // Search dex file for localized ssb index, may fail if member's class is a parent
         // of the class mentioned in the dex file and there is no dex cache entry.
         std::string temp;
-        const DexFile::StringId* string_id =
-            dex_file->FindStringId(resolved_member->GetDeclaringClass()->GetDescriptor(&temp));
-        if (string_id != nullptr) {
-          const DexFile::TypeId* type_id =
-             dex_file->FindTypeId(dex_file->GetIndexForStringId(*string_id));
-          if (type_id != nullptr) {
-            // medium path, needs check of static storage base being initialized
-            storage_idx = dex_file->GetIndexForTypeId(*type_id);
-          }
+        const DexFile::TypeId* type_id =
+           dex_file->FindTypeId(resolved_member->GetDeclaringClass()->GetDescriptor(&temp));
+        if (type_id != nullptr) {
+          // medium path, needs check of static storage base being initialized
+          storage_idx = dex_file->GetIndexForTypeId(*type_id);
         }
       }
       if (storage_idx != DexFile::kDexNoIndex) {
diff --git a/runtime/art_method.cc b/runtime/art_method.cc
index fe0afa6..3f17702 100644
--- a/runtime/art_method.cc
+++ b/runtime/art_method.cc
@@ -163,18 +163,13 @@
     return dex_method_idx;
   }
   const char* mid_declaring_class_descriptor = dexfile->StringByTypeIdx(mid.class_idx_);
-  const DexFile::StringId* other_descriptor =
-      other_dexfile.FindStringId(mid_declaring_class_descriptor);
-  if (other_descriptor != nullptr) {
-    const DexFile::TypeId* other_type_id =
-        other_dexfile.FindTypeId(other_dexfile.GetIndexForStringId(*other_descriptor));
-    if (other_type_id != nullptr) {
-      const DexFile::MethodId* other_mid = other_dexfile.FindMethodId(
-          *other_type_id, other_dexfile.GetStringId(name_and_sig_mid.name_idx_),
-          other_dexfile.GetProtoId(name_and_sig_mid.proto_idx_));
-      if (other_mid != nullptr) {
-        return other_dexfile.GetIndexForMethodId(*other_mid);
-      }
+  const DexFile::TypeId* other_type_id = other_dexfile.FindTypeId(mid_declaring_class_descriptor);
+  if (other_type_id != nullptr) {
+    const DexFile::MethodId* other_mid = other_dexfile.FindMethodId(
+        *other_type_id, other_dexfile.GetStringId(name_and_sig_mid.name_idx_),
+        other_dexfile.GetProtoId(name_and_sig_mid.proto_idx_));
+    if (other_mid != nullptr) {
+      return other_dexfile.GetIndexForMethodId(*other_mid);
     }
   }
   return DexFile::kDexNoIndex;
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index 69d0799..5de1cac 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -616,10 +616,7 @@
   // initialized.
   {
     const DexFile& dex_file = java_lang_Object->GetDexFile();
-    const DexFile::StringId* void_string_id = dex_file.FindStringId("V");
-    CHECK(void_string_id != nullptr);
-    uint32_t void_string_index = dex_file.GetIndexForStringId(*void_string_id);
-    const DexFile::TypeId* void_type_id = dex_file.FindTypeId(void_string_index);
+    const DexFile::TypeId* void_type_id = dex_file.FindTypeId("V");
     CHECK(void_type_id != nullptr);
     uint16_t void_type_idx = dex_file.GetIndexForTypeId(*void_type_id);
     // Now we resolve void type so the dex cache contains it. We use java.lang.Object class
@@ -2740,17 +2737,13 @@
   for (int32_t i = 0; i < dex_caches->GetLength(); ++i) {
     mirror::DexCache* dex_cache = dex_caches->Get(i);
     const DexFile* dex_file = dex_cache->GetDexFile();
-    // Try binary searching the string/type index.
-    const DexFile::StringId* string_id = dex_file->FindStringId(descriptor);
-    if (string_id != nullptr) {
-      const DexFile::TypeId* type_id =
-          dex_file->FindTypeId(dex_file->GetIndexForStringId(*string_id));
-      if (type_id != nullptr) {
-        uint16_t type_idx = dex_file->GetIndexForTypeId(*type_id);
-        mirror::Class* klass = dex_cache->GetResolvedType(type_idx);
-        if (klass != nullptr) {
-          return klass;
-        }
+    // Try binary searching the type index by descriptor.
+    const DexFile::TypeId* type_id = dex_file->FindTypeId(descriptor);
+    if (type_id != nullptr) {
+      uint16_t type_idx = dex_file->GetIndexForTypeId(*type_id);
+      mirror::Class* klass = dex_cache->GetResolvedType(type_idx);
+      if (klass != nullptr) {
+        return klass;
       }
     }
   }
diff --git a/runtime/class_linker_test.cc b/runtime/class_linker_test.cc
index 0926ce3..04b8900 100644
--- a/runtime/class_linker_test.cc
+++ b/runtime/class_linker_test.cc
@@ -1032,9 +1032,7 @@
   mirror::Class* klass = class_linker_->FindClass(soa.Self(), "LStaticsFromCode;", class_loader);
   ArtMethod* clinit = klass->FindClassInitializer(sizeof(void*));
   ArtMethod* getS0 = klass->FindDirectMethod("getS0", "()Ljava/lang/Object;", sizeof(void*));
-  const DexFile::StringId* string_id = dex_file->FindStringId("LStaticsFromCode;");
-  ASSERT_TRUE(string_id != nullptr);
-  const DexFile::TypeId* type_id = dex_file->FindTypeId(dex_file->GetIndexForStringId(*string_id));
+  const DexFile::TypeId* type_id = dex_file->FindTypeId("LStaticsFromCode;");
   ASSERT_TRUE(type_id != nullptr);
   uint32_t type_idx = dex_file->GetIndexForTypeId(*type_id);
   mirror::Class* uninit = ResolveVerifyAndClinit(type_idx, clinit, soa.Self(), true, false);
diff --git a/runtime/dex_file.cc b/runtime/dex_file.cc
index b3ca6ac..3a93aac 100644
--- a/runtime/dex_file.cc
+++ b/runtime/dex_file.cc
@@ -738,11 +738,7 @@
     }
     // TODO: avoid creating a std::string just to get a 0-terminated char array
     std::string descriptor(signature.data() + start_offset, offset - start_offset);
-    const DexFile::StringId* string_id = FindStringId(descriptor.c_str());
-    if (string_id == nullptr) {
-      return false;
-    }
-    const DexFile::TypeId* type_id = FindTypeId(GetIndexForStringId(*string_id));
+    const DexFile::TypeId* type_id = FindTypeId(descriptor.c_str());
     if (type_id == nullptr) {
       return false;
     }
diff --git a/runtime/dex_file_test.cc b/runtime/dex_file_test.cc
index 90b35a3..0a167bb 100644
--- a/runtime/dex_file_test.cc
+++ b/runtime/dex_file_test.cc
@@ -297,6 +297,7 @@
     ASSERT_TRUE(type_str_id != nullptr);
     uint32_t type_str_idx = java_lang_dex_file_->GetIndexForStringId(*type_str_id);
     const DexFile::TypeId* type_id = java_lang_dex_file_->FindTypeId(type_str_idx);
+    ASSERT_EQ(type_id, java_lang_dex_file_->FindTypeId(type_str));
     ASSERT_TRUE(type_id != nullptr);
     EXPECT_EQ(java_lang_dex_file_->GetIndexForTypeId(*type_id), i);
   }
diff --git a/runtime/mirror/object_test.cc b/runtime/mirror/object_test.cc
index f5a0445..c1284a6 100644
--- a/runtime/mirror/object_test.cc
+++ b/runtime/mirror/object_test.cc
@@ -307,10 +307,7 @@
   ScopedObjectAccess soa(Thread::Current());
   Class* java_util_Arrays = class_linker_->FindSystemClass(soa.Self(), "Ljava/util/Arrays;");
   ArtMethod* sort = java_util_Arrays->FindDirectMethod("sort", "([I)V", sizeof(void*));
-  const DexFile::StringId* string_id = java_lang_dex_file_->FindStringId("[I");
-  ASSERT_TRUE(string_id != nullptr);
-  const DexFile::TypeId* type_id = java_lang_dex_file_->FindTypeId(
-      java_lang_dex_file_->GetIndexForStringId(*string_id));
+  const DexFile::TypeId* type_id = java_lang_dex_file_->FindTypeId("[I");
   ASSERT_TRUE(type_id != nullptr);
   uint32_t type_idx = java_lang_dex_file_->GetIndexForTypeId(*type_id);
   Object* array = CheckAndAllocArrayFromCodeInstrumented(
@@ -367,16 +364,10 @@
   Handle<mirror::ClassLoader> loader(hs.NewHandle(soa.Decode<ClassLoader*>(class_loader)));
   Class* klass = class_linker_->FindClass(soa.Self(), "LStaticsFromCode;", loader);
   ArtMethod* clinit = klass->FindClassInitializer(sizeof(void*));
-  const DexFile::StringId* klass_string_id = dex_file->FindStringId("LStaticsFromCode;");
-  ASSERT_TRUE(klass_string_id != nullptr);
-  const DexFile::TypeId* klass_type_id = dex_file->FindTypeId(
-      dex_file->GetIndexForStringId(*klass_string_id));
+  const DexFile::TypeId* klass_type_id = dex_file->FindTypeId("LStaticsFromCode;");
   ASSERT_TRUE(klass_type_id != nullptr);
 
-  const DexFile::StringId* type_string_id = dex_file->FindStringId("Ljava/lang/Object;");
-  ASSERT_TRUE(type_string_id != nullptr);
-  const DexFile::TypeId* type_type_id = dex_file->FindTypeId(
-      dex_file->GetIndexForStringId(*type_string_id));
+  const DexFile::TypeId* type_type_id = dex_file->FindTypeId("Ljava/lang/Object;");
   ASSERT_TRUE(type_type_id != nullptr);
 
   const DexFile::StringId* name_str_id = dex_file->FindStringId("s0");