diff --git a/.clang-tidy b/.clang-tidy
index a79b565e59..5a1ba7c321 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -45,20 +45,10 @@ Checks: "-*,
   llvm-namespace-comment,
 
   misc-*,
-  -misc-anonymous-namespace-in-header,
-  -misc-confusable-identifiers,
-  -misc-coroutine-hostile-raii,
-  -misc-misleading-bidirectional,
-  -misc-misleading-identifier,
   -misc-multiple-inheritance,
-  -misc-new-delete-overloads,
   -misc-no-recursion,
-  -misc-non-copyable-objects,
   -misc-non-private-member-variables-in-classes,
   -misc-override-with-different-visibility,
-  -misc-predictable-rand,
-  -misc-unconventional-assign-operator,
-  -misc-uniqueptr-reset-release,
   -misc-unused-parameters,
   -misc-use-anonymous-namespace,
   -misc-use-internal-linkage,
diff --git a/include/xrpl/basics/safe_cast.h b/include/xrpl/basics/safe_cast.h
index 483a783f5d..7f2b93a7eb 100644
--- a/include/xrpl/basics/safe_cast.h
+++ b/include/xrpl/basics/safe_cast.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <xrpl/beast/utility/instrumentation.h>  // IWYU pragma: keep
+
 #include <type_traits>
 
 namespace xrpl {
diff --git a/include/xrpl/beast/core/LockFreeStack.h b/include/xrpl/beast/core/LockFreeStack.h
index 19225a4343..dd135d2d98 100644
--- a/include/xrpl/beast/core/LockFreeStack.h
+++ b/include/xrpl/beast/core/LockFreeStack.h
@@ -41,7 +41,7 @@ public:
     operator=(NodePtr node)
     {
         node_ = node;
-        return static_cast<LockFreeStackIterator&>(*this);
+        return *this;
     }
 
     LockFreeStackIterator&
diff --git a/include/xrpl/beast/insight/Gauge.h b/include/xrpl/beast/insight/Gauge.h
index b24c4366c3..9a23ea6665 100644
--- a/include/xrpl/beast/insight/Gauge.h
+++ b/include/xrpl/beast/insight/Gauge.h
@@ -49,6 +49,11 @@ public:
             impl_->set(value);
     }
 
+    // This is a write-through handle: assignment sets the value of the
+    // referenced metric.  It is const-qualified and returns Gauge const&
+    // (a non-const Gauge& would require a const_cast), so it does not follow
+    // the conventional assignment-operator signature.
+    // NOLINTNEXTLINE(misc-unconventional-assign-operator)
     Gauge const&
     operator=(value_type value) const
     {
diff --git a/include/xrpl/beast/utility/Zero.h b/include/xrpl/beast/utility/Zero.h
index f54345d437..e28589760b 100644
--- a/include/xrpl/beast/utility/Zero.h
+++ b/include/xrpl/beast/utility/Zero.h
@@ -26,9 +26,7 @@ struct Zero
     explicit Zero() = default;
 };
 
-namespace {
-constexpr Zero kZero{};
-}  // namespace
+inline constexpr Zero kZero{};
 
 /** Default implementation of signum calls the method on the class. */
 template <typename T>
diff --git a/include/xrpl/protocol/STObject.h b/include/xrpl/protocol/STObject.h
index c96086b1d0..fe5c611648 100644
--- a/include/xrpl/protocol/STObject.h
+++ b/include/xrpl/protocol/STObject.h
@@ -555,7 +555,11 @@ public:
     ValueProxy&
     operator=(ValueProxy const&) = delete;
 
+    // Write-through proxy: assignment sets the referenced field to the given
+    // value, so it intentionally takes the assigned value rather than a
+    // ValueProxy.
     template <class U>
+    // NOLINTNEXTLINE(misc-unconventional-assign-operator)
     ValueProxy&
     operator=(U&& u)
         requires(std::is_assignable_v<T, U>);
@@ -800,6 +804,7 @@ STObject::Proxy<T>::assign(U&& u)
 
 template <class T>
 template <class U>
+// NOLINTNEXTLINE(misc-unconventional-assign-operator)
 STObject::ValueProxy<T>&
 STObject::ValueProxy<T>::operator=(U&& u)
     requires(std::is_assignable_v<T, U>)
diff --git a/src/test/app/LedgerReplay_test.cpp b/src/test/app/LedgerReplay_test.cpp
index bac1d8b61f..4cc83608d6 100644
--- a/src/test/app/LedgerReplay_test.cpp
+++ b/src/test/app/LedgerReplay_test.cpp
@@ -28,6 +28,7 @@
 
 #include <xrpl/basics/Slice.h>
 #include <xrpl/basics/base_uint.h>
+#include <xrpl/basics/random.h>
 #include <xrpl/beast/net/IPAddress.h>
 #include <xrpl/beast/net/IPEndpoint.h>
 #include <xrpl/beast/unit_test/suite.h>
@@ -452,7 +453,7 @@ struct TestPeerSet : public PeerSet
             dropRate = 100;
         }
 
-        if (((rand() % 100) + 1) <= dropRate)
+        if (randInt(1, 100) <= dropRate)
             return;
 
         switch (type)
diff --git a/src/test/basics/Number_test.cpp b/src/test/basics/Number_test.cpp
index d704efa27a..9383fd6808 100644
--- a/src/test/basics/Number_test.cpp
+++ b/src/test/basics/Number_test.cpp
@@ -1094,6 +1094,7 @@ public:
         XRPAmount const xrp0{0};
         Number const n0 = xrp0;
         BEAST_EXPECT(n0 == Number{0});
+        // NOLINTNEXTLINE(misc-confusable-identifiers)
         XRPAmount const xrp1{n0};
         BEAST_EXPECT(xrp1 == xrp0);
     }
diff --git a/src/test/rpc/GetAggregatePrice_test.cpp b/src/test/rpc/GetAggregatePrice_test.cpp
index 22c021865d..3e0bfa1fd3 100644
--- a/src/test/rpc/GetAggregatePrice_test.cpp
+++ b/src/test/rpc/GetAggregatePrice_test.cpp
@@ -7,6 +7,7 @@
 
 #include <xrpl/basics/Number.h>
 #include <xrpl/basics/base_uint.h>
+#include <xrpl/basics/random.h>
 #include <xrpl/beast/unit_test/suite.h>
 #include <xrpl/beast/utility/Journal.h>
 #include <xrpl/core/ServiceRegistry.h>
@@ -16,7 +17,7 @@
 #include <xrpl/protocol/SField.h>
 #include <xrpl/protocol/jss.h>
 
-#include <cstdlib>
+#include <cstdint>
 #include <memory>
 #include <optional>
 #include <string>
@@ -173,7 +174,7 @@ public:
                 Oracle const oracle(
                     env,
                     {.owner = owner,
-                     .documentID = rand(),
+                     .documentID = randInt<std::uint32_t>(),
                      .series = {{"XRP", "USD", 740 + i, 1}, {"XRP", "EUR", 740, 1}},
                      .fee = baseFee});
                 oracles.emplace_back(owner, oracle.documentID());