diff --git a/http/http2_connection.hpp b/http/http2_connection.hpp
index ee3a218..95d184e 100644
--- a/http/http2_connection.hpp
+++ b/http/http2_connection.hpp
@@ -12,7 +12,6 @@
 #include "ssl_key_handler.hpp"
 #include "utility.hpp"
 
-#include <boost/algorithm/string/predicate.hpp>
 #include <boost/asio/io_context.hpp>
 #include <boost/asio/ip/tcp.hpp>
 #include <boost/asio/ssl/stream.hpp>
diff --git a/http/http_connection.hpp b/http/http_connection.hpp
index 7ea0ac6..196dc5f 100644
--- a/http/http_connection.hpp
+++ b/http/http_connection.hpp
@@ -10,9 +10,9 @@
 #include "logging.hpp"
 #include "mutual_tls.hpp"
 #include "ssl_key_handler.hpp"
+#include "str_utility.hpp"
 #include "utility.hpp"
 
-#include <boost/algorithm/string/predicate.hpp>
 #include <boost/asio/io_context.hpp>
 #include <boost/asio/ip/tcp.hpp>
 #include <boost/asio/ssl/stream.hpp>
@@ -288,10 +288,10 @@
         bool isSse =
             isContentTypeAllowed(req->getHeaderValue("Accept"),
                                  http_helpers::ContentType::EventStream, false);
+        std::string_view upgradeType(
+            thisReq.getHeaderValue(boost::beast::http::field::upgrade));
         if ((thisReq.isUpgrade() &&
-             boost::iequals(
-                 thisReq.getHeaderValue(boost::beast::http::field::upgrade),
-                 "websocket")) ||
+             bmcweb::asciiIEquals(upgradeType, "websocket")) ||
             isSse)
         {
             asyncResp->res.setCompleteRequestHandler(
diff --git a/http/parsing.hpp b/http/parsing.hpp
index 839b51c..9a19baf 100644
--- a/http/parsing.hpp
+++ b/http/parsing.hpp
@@ -2,10 +2,12 @@
 
 #include "http/http_request.hpp"
 #include "logging.hpp"
+#include "str_utility.hpp"
 
-#include <boost/algorithm/string/predicate.hpp>
 #include <nlohmann/json.hpp>
 
+#include <algorithm>
+#include <cctype>
 #include <string_view>
 
 enum class JsonParseResult
@@ -15,14 +17,17 @@
     Success,
 };
 
+inline bool isJsonContentType(std::string_view contentType)
+{
+    return bmcweb::asciiIEquals(contentType, "application/json") ||
+           bmcweb::asciiIEquals(contentType, "application/json; charset=utf-8");
+}
+
 inline JsonParseResult parseRequestAsJson(const crow::Request& req,
                                           nlohmann::json& jsonOut)
 {
-    std::string_view contentType =
-        req.getHeaderValue(boost::beast::http::field::content_type);
-
-    if (!boost::iequals(contentType, "application/json") &&
-        !boost::iequals(contentType, "application/json; charset=utf-8"))
+    if (!isJsonContentType(
+            req.getHeaderValue(boost::beast::http::field::content_type)))
     {
         BMCWEB_LOG_WARNING("Failed to parse content type on request");
 #ifndef BMCWEB_INSECURE_IGNORE_CONTENT_TYPE
diff --git a/http/server_sent_event.hpp b/http/server_sent_event.hpp
index 49002f6..f4ad21a 100644
--- a/http/server_sent_event.hpp
+++ b/http/server_sent_event.hpp
@@ -3,7 +3,6 @@
 #include "http_request.hpp"
 #include "http_response.hpp"
 
-#include <boost/algorithm/string/predicate.hpp>
 #include <boost/asio/buffer.hpp>
 #include <boost/asio/steady_timer.hpp>
 #include <boost/beast/core/multi_buffer.hpp>