diff --git a/lib/bcoin/writer.js b/lib/bcoin/writer.js
index a056b23e..50e16721 100644
--- a/lib/bcoin/writer.js
+++ b/lib/bcoin/writer.js
@@ -294,7 +294,6 @@ BufferWriter.prototype.write64BE = function write64BE(value) {
  */
 
 BufferWriter.prototype.writeFloat = function writeFloat(value) {
-  assert(typeof value === 'number');
   this.written += 4;
   this.data.push([FL, value]);
 };
@@ -305,7 +304,6 @@ BufferWriter.prototype.writeFloat = function writeFloat(value) {
  */
 
 BufferWriter.prototype.writeFloatBE = function writeFloatBE(value) {
-  assert(typeof value === 'number');
   this.written += 4;
   this.data.push([FLBE, value]);
 };
@@ -316,7 +314,6 @@ BufferWriter.prototype.writeFloatBE = function writeFloatBE(value) {
  */
 
 BufferWriter.prototype.writeDouble = function writeDouble(value) {
-  assert(typeof value === 'number');
   this.written += 8;
   this.data.push([DBL, value]);
 };
@@ -327,7 +324,6 @@ BufferWriter.prototype.writeDouble = function writeDouble(value) {
  */
 
 BufferWriter.prototype.writeDoubleBE = function writeDoubleBE(value) {
-  assert(typeof value === 'number');
   this.written += 8;
   this.data.push([DBLBE, value]);
 };