From 90c085e197ee9fb8c7a417a606e00f1fe0eabd83 Mon Sep 17 00:00:00 2001
From: Luis Madrigal <599908+Madrigal@users.noreply.github.com>
Date: Mon, 7 Oct 2024 12:43:33 -0400
Subject: [PATCH] fix: allow empty headers on prefix headers (#544)

---
 .../codegen/integration/HttpBindingProtocolGenerator.java  | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/codegen/smithy-go-codegen/src/main/java/software/amazon/smithy/go/codegen/integration/HttpBindingProtocolGenerator.java b/codegen/smithy-go-codegen/src/main/java/software/amazon/smithy/go/codegen/integration/HttpBindingProtocolGenerator.java
index 3049a0b2..f3ced75e 100644
--- a/codegen/smithy-go-codegen/src/main/java/software/amazon/smithy/go/codegen/integration/HttpBindingProtocolGenerator.java
+++ b/codegen/smithy-go-codegen/src/main/java/software/amazon/smithy/go/codegen/integration/HttpBindingProtocolGenerator.java
@@ -877,11 +877,8 @@ private void writeHttpBindingMember(
                             writer.write("hv := encoder.Headers($S)", getCanonicalHeader(locationName));
                             writer.addUseImports(SmithyGoDependency.NET_HTTP);
                             writer.openBlock("for mapKey, mapVal := range $L {", "}", operand, () -> {
-                                GoValueAccessUtils.writeIfNonZeroValue(context.getModel(), writer, valueMemberShape,
-                                        "mapVal", false, false, () -> {
-                                            writeHeaderBinding(context, valueMemberShape, "mapVal", location,
-                                                    "http.CanonicalHeaderKey(mapKey)", "hv");
-                                        });
+                                writeHeaderBinding(context, valueMemberShape, "mapVal", location,
+                                        "http.CanonicalHeaderKey(mapKey)", "hv");
                             });
                             break;
                         case LABEL: