diff --git a/inflection/src/inflection/dialog/CommonConceptFactoryImpl.cpp b/inflection/src/inflection/dialog/CommonConceptFactoryImpl.cpp
index ef37c49e..d1d4b5a6 100644
--- a/inflection/src/inflection/dialog/CommonConceptFactoryImpl.cpp
+++ b/inflection/src/inflection/dialog/CommonConceptFactoryImpl.cpp
@@ -210,10 +210,9 @@ SpeakableString* CommonConceptFactoryImpl::quantify(const NumberConcept& number,
 {
     ::std::unique_ptr<SpeakableString> formattedNumber;
     if (semanticFeatureForNumberConcept != nullptr) {
-        auto speakableFeatureValue = npc(semanticConcept)->getFeatureValue(*npc(semanticFeatureForNumberConcept));
-        if (speakableFeatureValue != nullptr) {
-            auto rulename = semanticFeatureToNumberConceptName.find(npc(speakableFeatureValue)->getPrint());
-            delete speakableFeatureValue;
+        ::std::unique_ptr<SpeakableString> speakableFeatureValue(npc(semanticConcept)->getFeatureValue(*npc(semanticFeatureForNumberConcept)));
+        if (speakableFeatureValue.get() != nullptr) {
+            auto rulename = semanticFeatureToNumberConceptName.find(speakableFeatureValue->getPrint());
             if (rulename != semanticFeatureToNumberConceptName.end()) {
                 formattedNumber.reset(new SpeakableString(number.asSpokenWords(rulename->second)));
             }
diff --git a/inflection/src/inflection/dialog/DefinitenessDisplayFunction.cpp b/inflection/src/inflection/dialog/DefinitenessDisplayFunction.cpp
index cb934c06..469514a2 100644
--- a/inflection/src/inflection/dialog/DefinitenessDisplayFunction.cpp
+++ b/inflection/src/inflection/dialog/DefinitenessDisplayFunction.cpp
@@ -79,13 +79,13 @@ int32_t DefinitenessDisplayFunction::getArticlePrefixLength(DisplayValue* origin
 DisplayValue*
 DefinitenessDisplayFunction::replaceDisplayValue(DisplayValue* originalDisplayValue, const SpeakableString& string) const
 {
-    auto displayValueConstraints(npc(originalDisplayValue)->getConstraintMap());
+    ::std::unique_ptr<DisplayValue> value(npc(originalDisplayValue));
+    auto displayValueConstraints(value->getConstraintMap());
     if (!string.speakEqualsPrint()) {
         displayValueConstraints[*npc(speakFeature)] = string.getSpeak();
     }
-    auto newValue = new DisplayValue(string.getPrint(), displayValueConstraints);
-    delete originalDisplayValue;
-    return newValue;
+    value.reset(new DisplayValue(string.getPrint(), displayValueConstraints));
+    return value.release();
 }
 
 DisplayValue*
diff --git a/inflection/src/inflection/dialog/SemanticConceptList.cpp b/inflection/src/inflection/dialog/SemanticConceptList.cpp
index b14271af..b56c0784 100644
--- a/inflection/src/inflection/dialog/SemanticConceptList.cpp
+++ b/inflection/src/inflection/dialog/SemanticConceptList.cpp
@@ -126,12 +126,11 @@ std::u16string SemanticConceptList::toString() const
         if (previousConcept != nullptr) {
             displayValue += comma;
         }
-        auto conceptResult = npc(conceptObj)->toSpeakableString();
-        if (conceptResult != nullptr) {
-            displayValue += *npc(conceptResult);
+        ::std::unique_ptr<::inflection::dialog::SpeakableString> conceptResult(npc(conceptObj)->toSpeakableString());
+        if (conceptResult.get() != nullptr) {
+            displayValue += *conceptResult;
         }
         previousConcept = conceptObj;
-        delete conceptResult;
     }
     return u"[" + displayValue.getPrint() + u"]";
 }
diff --git a/inflection/src/inflection/dictionary/DictionaryMetaData_MMappedDictionary.cpp b/inflection/src/inflection/dictionary/DictionaryMetaData_MMappedDictionary.cpp
index cd17da25..e7da3675 100644
--- a/inflection/src/inflection/dictionary/DictionaryMetaData_MMappedDictionary.cpp
+++ b/inflection/src/inflection/dictionary/DictionaryMetaData_MMappedDictionary.cpp
@@ -45,8 +45,6 @@ DictionaryMetaData_MMappedDictionary::DictionaryMetaData_MMappedDictionary(::inf
 
 DictionaryMetaData_MMappedDictionary::~DictionaryMetaData_MMappedDictionary()
 {
-    delete inflector;
-    delete memoryMappedRegion;
 }
 
 const ::inflection::util::ULocale& DictionaryMetaData_MMappedDictionary::getLocale() const
@@ -189,11 +187,11 @@ bool DictionaryMetaData_MMappedDictionary::getWordPropertyValues(::std::vector<:
         return true;
     }
 
-    const bool useInflectionTrieForKeys = (inflector != nullptr) && (propertyNameIdentifier == inflectionKeyIdentifier);
+    const bool useInflectionTrieForKeys = (inflector.get() != nullptr) && (propertyNameIdentifier == inflectionKeyIdentifier);
 
     for (const auto propertyIdentifier: propertyIdentifiers) {
         npc(result)->emplace_back(useInflectionTrieForKeys
-                ? npc(inflector)->mmappedDictionary.identifierToInflectionPatternTrie.getKey(propertyIdentifier)
+                ? inflector->mmappedDictionary.identifierToInflectionPatternTrie.getKey(propertyIdentifier)
                 : propertyValuesStringContainer.getString(propertyIdentifier));
     }
 
diff --git a/inflection/src/inflection/dictionary/DictionaryMetaData_MMappedDictionary.hpp b/inflection/src/inflection/dictionary/DictionaryMetaData_MMappedDictionary.hpp
index e9b88906..78f531d4 100644
--- a/inflection/src/inflection/dictionary/DictionaryMetaData_MMappedDictionary.hpp
+++ b/inflection/src/inflection/dictionary/DictionaryMetaData_MMappedDictionary.hpp
@@ -70,8 +70,8 @@ class INFLECTION_INTERNAL_API inflection::dictionary::DictionaryMetaData_MMapped
     ::inflection::dictionary::metadata::StringArrayContainer propertyNameToKeyId {  };
     ::inflection::dictionary::metadata::StringContainer propertyValuesStringContainer {  };
     ::inflection::dictionary::metadata::CompressedArray<int32_t> propertyValueMaps {::std::vector<int32_t>()};
-    ::inflection::dictionary::Inflector* inflector {  };
-    ::inflection::util::MemoryMappedFile* memoryMappedRegion {  };
+    ::std::unique_ptr<::inflection::dictionary::Inflector> inflector {  };
+    ::std::unique_ptr<::inflection::util::MemoryMappedFile> memoryMappedRegion {  };
     int32_t inflectionKeyIdentifier { -1 };
     int32_t bitsPropertyValueMapKeyMask {  };
     int32_t bitsPropertyValueMapKeySize {  };
diff --git a/inflection/src/inflection/dictionary/Inflector.cpp b/inflection/src/inflection/dictionary/Inflector.cpp
index 72f74a73..806c2111 100644
--- a/inflection/src/inflection/dictionary/Inflector.cpp
+++ b/inflection/src/inflection/dictionary/Inflector.cpp
@@ -13,7 +13,7 @@
 namespace inflection::dictionary {
 
 const Inflector& Inflector::getInflector(const ::inflection::util::ULocale &locale) {
-    const Inflector* result = npc(DictionaryMetaData::createDictionary(locale))->dictionary->inflector;
+    const Inflector* result = npc(DictionaryMetaData::createDictionary(locale))->dictionary->inflector.get();
     if (result == nullptr) {
         throw ::inflection::exception::NullPointerException(inflection::util::StringViewUtils::to_u16string("Inflector not found for " + locale.getName()));
     }
diff --git a/inflection/src/inflection/dictionary/Inflector.hpp b/inflection/src/inflection/dictionary/Inflector.hpp
index 44a57142..1e202ec0 100644
--- a/inflection/src/inflection/dictionary/Inflector.hpp
+++ b/inflection/src/inflection/dictionary/Inflector.hpp
@@ -33,6 +33,7 @@ class inflection::dictionary::Inflector
 private:
     explicit Inflector(inflection::util::MemoryMappedFile& memoryMappedFile, const ::std::u16string& sourcePath, const ::inflection::dictionary::DictionaryMetaData_MMappedDictionary &dictionary);
 
+public:
     ~Inflector() override;
 
 private:
diff --git a/inflection/src/inflection/lang/StringFilterUtil.cpp b/inflection/src/inflection/lang/StringFilterUtil.cpp
index 68bdd24e..dd095729 100644
--- a/inflection/src/inflection/lang/StringFilterUtil.cpp
+++ b/inflection/src/inflection/lang/StringFilterUtil.cpp
@@ -117,18 +117,18 @@ static ::std::map<const ::icu4cxx::UnicodeSet*, const ::icu4cxx::UnicodeSet*>* S
     return setSingletons_;
 }
 
-const icu4cxx::UnicodeSet* StringFilterUtil::getSetSingleton(::icu4cxx::UnicodeSet* set)
+const icu4cxx::UnicodeSet* StringFilterUtil::getSetSingleton(::icu4cxx::UnicodeSet* input)
 {
     // TODO: this code probably doesn't work that well anymore. We should check the caching again.
     auto setSingletons = SET_SINGLETONS();
     const icu4cxx::UnicodeSet* singleton;
-    auto singletonCache = npc(setSingletons)->find(set);
+    ::std::unique_ptr<::icu4cxx::UnicodeSet> set(input);
+    auto singletonCache = npc(setSingletons)->find(set.get());
     if (singletonCache == npc(setSingletons)->end()) {
-        singleton = ::inflection::util::UnicodeSetUtils::freeze(set);
+        singleton = ::inflection::util::UnicodeSetUtils::freeze(set.release());
         npc(setSingletons)->emplace(singleton, singleton);
     }
     else {
-        delete set;
         singleton = singletonCache->second;
     }
     return singleton;