2 files changed, 5 insertions, 22 deletions
diff --git a/absl/hash/internal/city.cc b/absl/hash/internal/city.cc
index 58d4bcb1..5460134e 100644
--- a/absl/hash/internal/city.cc
+++ b/absl/hash/internal/city.cc
@@ -200,10 +200,6 @@ static uint64_t Rotate(uint64_t val, int shift) {
 
 static uint64_t ShiftMix(uint64_t val) { return val ^ (val >> 47); }
 
-static uint64_t HashLen16(uint64_t u, uint64_t v) {
-  return Hash128to64(uint128(u, v));
-}
-
 static uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) {
   // Murmur-inspired hashing.
   uint64_t a = (u ^ v) * mul;
@@ -214,6 +210,11 @@ static uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) {
   return b;
 }
 
+static uint64_t HashLen16(uint64_t u, uint64_t v) {
+  const uint64_t kMul = 0x9ddfea08eb382d69ULL;
+  return HashLen16(u, v, kMul);
+}
+
 static uint64_t HashLen0to16(const char *s, size_t len) {
   if (len >= 8) {
     uint64_t mul = k2 + len * 2;
diff --git a/absl/hash/internal/city.h b/absl/hash/internal/city.h
index 9c1e7a57..393da0b9 100644
--- a/absl/hash/internal/city.h
+++ b/absl/hash/internal/city.h
@@ -56,11 +56,6 @@ namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace hash_internal {
 
-typedef std::pair<uint64_t, uint64_t> uint128;
-
-inline uint64_t Uint128Low64(const uint128 &x) { return x.first; }
-inline uint64_t Uint128High64(const uint128 &x) { return x.second; }
-
 // Hash function for a byte array.
 uint64_t CityHash64(const char *s, size_t len);
 
@@ -76,19 +71,6 @@ uint64_t CityHash64WithSeeds(const char *s, size_t len, uint64_t seed0,
 // Hash function for a byte array.  Most useful in 32-bit binaries.
 uint32_t CityHash32(const char *s, size_t len);
 
-// Hash 128 input bits down to 64 bits of output.
-// This is intended to be a reasonably good hash function.
-inline uint64_t Hash128to64(const uint128 &x) {
-  // Murmur-inspired hashing.
-  const uint64_t kMul = 0x9ddfea08eb382d69ULL;
-  uint64_t a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul;
-  a ^= (a >> 47);
-  uint64_t b = (Uint128High64(x) ^ a) * kMul;
-  b ^= (b >> 47);
-  b *= kMul;
-  return b;
-}
-
 }  // namespace hash_internal
 ABSL_NAMESPACE_END
 }  // namespace absl