diff --git a/indexer/indexer.pro b/indexer/indexer.pro
index 11e49e09e8..88556f1f54 100644
--- a/indexer/indexer.pro
+++ b/indexer/indexer.pro
@@ -40,7 +40,6 @@ SOURCES += \
     mwm_set.cpp \
     old/feature_loader_101.cpp \
     point_to_int64.cpp \
-    scale_index.cpp \
     scales.cpp \
     search_delimiters.cpp \
     search_index_builder.cpp \
diff --git a/indexer/scale_index.cpp b/indexer/scale_index.cpp
deleted file mode 100644
index a3c9195aad..0000000000
--- a/indexer/scale_index.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#include "indexer/scale_index.hpp"
-
-
-/// Using default one to one mapping.
-
-uint32_t ScaleIndexBase::GetBucketsCount()
-{
-  return 18;
-}
-
-uint32_t ScaleIndexBase::BucketByScale(uint32_t scale)
-{
-  return scale;
-}
-
-pair<uint32_t, uint32_t> ScaleIndexBase::ScaleRangeForBucket(uint32_t bucket)
-{
-  return make_pair(bucket, bucket + 1);
-}
diff --git a/indexer/scale_index.hpp b/indexer/scale_index.hpp
index 6c3e60b3c2..d290b1a1a3 100644
--- a/indexer/scale_index.hpp
+++ b/indexer/scale_index.hpp
@@ -12,13 +12,17 @@
 
 
 /// Index bucket <--> Draw scale range.
+/// Using default one-to-one mapping.
 class ScaleIndexBase
 {
 public:
-  static uint32_t GetBucketsCount();
-  static uint32_t BucketByScale(uint32_t scale);
+  static uint32_t GetBucketsCount() { return 18; }
+  static uint32_t BucketByScale(uint32_t scale) { return scale; }
   /// @return Range like [x, y).
-  static pair<uint32_t, uint32_t> ScaleRangeForBucket(uint32_t bucket);
+  static pair<uint32_t, uint32_t> ScaleRangeForBucket(uint32_t bucket)
+  {
+    return {bucket, bucket + 1};
+  }
 };
 
 template <class ReaderT>