diff --git a/src/base/kernel/Entry.cpp b/src/base/kernel/Entry.cpp
index ae2ac3ce2..a50cb6342 100644
--- a/src/base/kernel/Entry.cpp
+++ b/src/base/kernel/Entry.cpp
@@ -84,7 +84,7 @@ static int showVersion()
 #       if defined(LIBRESSL_VERSION_TEXT)
         printf("LibreSSL/%s\n", LIBRESSL_VERSION_TEXT + 9);
 #       elif defined(OPENSSL_VERSION_TEXT)
-        constexpr const char *v = OPENSSL_VERSION_TEXT + 8;
+        constexpr const char *v = &OPENSSL_VERSION_TEXT[8];
         printf("OpenSSL/%.*s\n", static_cast<int>(strchr(v, ' ') - v), v);
 #       endif
     }
diff --git a/src/base/kernel/config/BaseConfig.cpp b/src/base/kernel/config/BaseConfig.cpp
index 2e3a598c9..27aa2ce90 100644
--- a/src/base/kernel/config/BaseConfig.cpp
+++ b/src/base/kernel/config/BaseConfig.cpp
@@ -157,7 +157,7 @@ void xmrig::BaseConfig::printVersions()
         snprintf(buf, sizeof buf, "LibreSSL/%s ", LIBRESSL_VERSION_TEXT + 9);
         libs += buf;
 #       elif defined(OPENSSL_VERSION_TEXT)
-        constexpr const char *v = OPENSSL_VERSION_TEXT + 8;
+        constexpr const char *v = &OPENSSL_VERSION_TEXT[8];
         snprintf(buf, sizeof buf, "OpenSSL/%.*s ", static_cast<int>(strchr(v, ' ') - v), v);
         libs += buf;
 #       endif
diff --git a/src/base/net/http/HttpListener.h b/src/base/net/http/HttpListener.h
index ac302dab9..4f982c4df 100644
--- a/src/base/net/http/HttpListener.h
+++ b/src/base/net/http/HttpListener.h
@@ -29,13 +29,20 @@ namespace xmrig {
 class HttpListener : public IHttpListener
 {
 public:
-    inline HttpListener(IHttpListener *listener, const char *tag = nullptr) : m_tag(tag), m_listener(listener) {}
+    inline HttpListener(IHttpListener *listener, const char *tag = nullptr) :
+#       ifdef APP_DEBUG
+        m_tag(tag),
+#       endif
+        m_listener(listener)
+    {}
 
 protected:
     void onHttpData(const HttpData &data) override;
 
 private:
+#   ifdef APP_DEBUG
     const char *m_tag;
+#   endif
     IHttpListener *m_listener;
 };
 
diff --git a/src/crypto/kawpow/KPCache.cpp b/src/crypto/kawpow/KPCache.cpp
index f46341028..2a60a7878 100644
--- a/src/crypto/kawpow/KPCache.cpp
+++ b/src/crypto/kawpow/KPCache.cpp
@@ -91,7 +91,7 @@ bool KPCache::init(uint32_t epoch)
             const uint32_t a = (cache_nodes * i) / n;
             const uint32_t b = (cache_nodes * (i + 1)) / n;
 
-            threads.emplace_back([this, a, b, cache_nodes, &cache]() {
+            threads.emplace_back([this, a, b, &cache]() {
                 uint32_t j = a;
                 for (; j + 4 <= b; j += 4) ethash_calculate_dag_item4_opt(((node*)m_DAGCache.data()) + j, j, num_dataset_parents, &cache);
                 for (; j < b; ++j) ethash_calculate_dag_item_opt(((node*)m_DAGCache.data()) + j, j, num_dataset_parents, &cache);
diff --git a/src/crypto/randomx/randomx.cpp b/src/crypto/randomx/randomx.cpp
index 5bfd9e781..fdd7bd067 100644
--- a/src/crypto/randomx/randomx.cpp
+++ b/src/crypto/randomx/randomx.cpp
@@ -207,7 +207,9 @@ RandomX_ConfigurationBase::RandomX_ConfigurationBase()
 #	endif
 }
 
+#ifdef XMRIG_ARMv8
 static uint32_t Log2(size_t value) { return (value > 1) ? (Log2(value / 2) + 1) : 0; }
+#endif
 
 void RandomX_ConfigurationBase::Apply()
 {