diff --git a/Changelog b/Changelog
index 6fc5245..a09940d 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,6 @@
+2019-06-22:
+  Remove redundant parenthesis.
+
 2019-06-11:
   Changed all macros to use DOUBLE_CONVERSION_ as prefix.
   Renamed ALLOW_CASE_INSENSIBILITY to ALLOW_CASE_INSENSITIVITY,
diff --git a/double-conversion/bignum-dtoa.cc b/double-conversion/bignum-dtoa.cc
index 2b8f9ec..abdd714 100644
--- a/double-conversion/bignum-dtoa.cc
+++ b/double-conversion/bignum-dtoa.cc
@@ -76,14 +76,14 @@
 // Generates 'requested_digits' after the decimal point.
 static void BignumToFixed(int requested_digits, int* decimal_point,
                           Bignum* numerator, Bignum* denominator,
-                          Vector<char>(buffer), int* length);
+                          Vector<char> buffer, int* length);
 // Generates 'count' digits of numerator/denominator.
 // Once 'count' digits have been produced rounds the result depending on the
 // remainder (remainders of exactly .5 round upwards). Might update the
 // decimal_point when rounding up (for example for 0.9999).
 static void GenerateCountedDigits(int count, int* decimal_point,
                                   Bignum* numerator, Bignum* denominator,
-                                  Vector<char>(buffer), int* length);
+                                  Vector<char> buffer, int* length);
 
 
 void BignumDtoa(double v, BignumDtoaMode mode, int requested_digits,
@@ -325,7 +325,7 @@
 // Input verifies:  1 <= (numerator + delta) / denominator < 10.
 static void BignumToFixed(int requested_digits, int* decimal_point,
                           Bignum* numerator, Bignum* denominator,
-                          Vector<char>(buffer), int* length) {
+                          Vector<char> buffer, int* length) {
   // Note that we have to look at more than just the requested_digits, since
   // a number could be rounded up. Example: v=0.5 with requested_digits=0.
   // Even though the power of v equals 0 we can't just stop here.