diff --git a/include/slang/ast/expressions/OperatorExpressions.h b/include/slang/ast/expressions/OperatorExpressions.h
index 6bb888413..73d42ba90 100644
--- a/include/slang/ast/expressions/OperatorExpressions.h
+++ b/include/slang/ast/expressions/OperatorExpressions.h
@@ -112,10 +112,10 @@ class SLANG_EXPORT ConditionalExpression : public Expression {
         Expression(ExpressionKind::ConditionalOp, type, sourceRange),
         conditions(conditions), left_(&left), right_(&right), isConst(isConst), isTrue(isTrue) {}
 
-    const Expression& left() const { SLANG_SUPPRESS return *left_; }
+    const Expression& left() const { return *left_; } // NOLINT
     Expression& left() { return *left_; }
 
-    const Expression& right() const { SLANG_SUPPRESS return *right_; }
+    const Expression& right() const { return *right_; } // NOLINT
     Expression& right() { return *right_; }
 
     ConstantValue evalImpl(EvalContext& context) const;
diff --git a/include/slang/util/BumpAllocator.h b/include/slang/util/BumpAllocator.h
index eefebfdfd..75d8ac729 100644
--- a/include/slang/util/BumpAllocator.h
+++ b/include/slang/util/BumpAllocator.h
@@ -7,6 +7,7 @@
 //------------------------------------------------------------------------------
 #pragma once
 
+#include <cstring>
 #include <new>
 #include <span>
 
@@ -59,7 +60,7 @@ class SLANG_EXPORT BumpAllocator {
             return {};
 
         auto dest = reinterpret_cast<T*>(allocate(len * sizeof(T), alignof(T)));
-        memcpy(dest, src.data(), len * sizeof(T));
+        std::memcpy(dest, src.data(), len * sizeof(T));
 
         return std::span<T>(dest, len);
     }
diff --git a/include/slang/util/Util.h b/include/slang/util/Util.h
index 868cb4111..9bc4019f7 100644
--- a/include/slang/util/Util.h
+++ b/include/slang/util/Util.h
@@ -103,10 +103,8 @@
 // Compiler-specific macros for warnings and suppressions
 #ifdef __clang__
 #    define SLANG_NO_SANITIZE(warningName) __attribute__((no_sanitize(warningName)))
-#    define SLANG_SUPPRESS [[clang::suppress]]
 #else
 #    define SLANG_NO_SANITIZE(warningName)
-#    define SLANG_SUPPRESS
 #endif
 
 using namespace std::literals;
diff --git a/source/ast/symbols/InstanceSymbols.cpp b/source/ast/symbols/InstanceSymbols.cpp
index b90ef0eeb..fccd00d72 100644
--- a/source/ast/symbols/InstanceSymbols.cpp
+++ b/source/ast/symbols/InstanceSymbols.cpp
@@ -647,11 +647,11 @@ void InstanceSymbol::fromSyntax(Compilation& comp, const HierarchyInstantiationS
         if (specificInstance) {
             results.push_back(builder.create(*specificInstance));
         }
-        else
-            SLANG_SUPPRESS {
-                for (auto instanceSyntax : syntax.instances)
-                    results.push_back(builder.create(*instanceSyntax));
-            }
+        else {
+            // NOLINTNEXTLINE
+            for (auto instanceSyntax : syntax.instances)
+                results.push_back(builder.create(*instanceSyntax));
+        }
     };
 
     // If we came here from a bind directive we need to make use
diff --git a/source/numeric/Time.cpp b/source/numeric/Time.cpp
index 15e0f48a0..95b891e4a 100644
--- a/source/numeric/Time.cpp
+++ b/source/numeric/Time.cpp
@@ -113,7 +113,7 @@ std::string TimeScaleValue::toString() const {
 
 std::strong_ordering TimeScaleValue::operator<=>(const TimeScaleValue& rhs) const {
     // Unit enum is specified in reverse order, so check in the opposite direction.
-    if (auto cmp = rhs.unit <=> unit; cmp != 0)
+    if (auto cmp = rhs.unit <=> unit; cmp != 0) // NOLINT
         return cmp;
     return magnitude <=> rhs.magnitude;
 }
diff --git a/source/text/Glob.cpp b/source/text/Glob.cpp
index 4bc94222b..bd44fcf71 100644
--- a/source/text/Glob.cpp
+++ b/source/text/Glob.cpp
@@ -286,6 +286,7 @@ SLANG_EXPORT GlobRank svGlob(const fs::path& basePath, std::string_view pattern,
 
 static std::string_view nextSegment(std::string_view& path) {
     for (size_t i = 0; i < path.size(); i++) {
+        // NOLINTNEXTLINE
         if (path[i] == fs::path::preferred_separator || path[i] == '/') {
             auto result = path.substr(0, i);
             path = path.substr(i + 1);