diff --git a/lldb/source/Core/Value.cpp b/lldb/source/Core/Value.cpp
index 8007df4f934e0..cc8f3f4e26153 100644
--- a/lldb/source/Core/Value.cpp
+++ b/lldb/source/Core/Value.cpp
@@ -113,7 +113,6 @@ Value::ValueType Value::GetValueType() const { return m_value_type; }
 
 AddressType Value::GetValueAddressType() const {
   switch (m_value_type) {
-  default:
   case eValueTypeScalar:
     break;
   case eValueTypeLoadAddress:
@@ -278,9 +277,6 @@ lldb::Format Value::GetValueDefaultFormat() {
 
 bool Value::GetData(DataExtractor &data) {
   switch (m_value_type) {
-  default:
-    break;
-
   case eValueTypeScalar:
     if (m_value.GetData(data))
       return true;
@@ -571,7 +567,6 @@ Scalar &Value::ResolveValue(ExecutionContext *exe_ctx) {
     case eValueTypeScalar: // raw scalar value
       break;
 
-    default:
     case eValueTypeFileAddress:
     case eValueTypeLoadAddress: // load address value
     case eValueTypeHostAddress: // host address value (for memory in the process
diff --git a/lldb/source/Core/ValueObjectChild.cpp b/lldb/source/Core/ValueObjectChild.cpp
index 97974d7b98fb2..34baa19f0a248 100644
--- a/lldb/source/Core/ValueObjectChild.cpp
+++ b/lldb/source/Core/ValueObjectChild.cpp
@@ -190,9 +190,6 @@ bool ValueObjectChild::UpdateValue() {
           m_value.GetScalar() = scalar;
         }
         break;
-      default:
-        m_error.SetErrorString("parent has invalid value.");
-        break;
       }
 
       if (m_error.Success()) {
diff --git a/lldb/source/Core/ValueObjectMemory.cpp b/lldb/source/Core/ValueObjectMemory.cpp
index 17fade9e5fdc3..abf7b38ed89ac 100644
--- a/lldb/source/Core/ValueObjectMemory.cpp
+++ b/lldb/source/Core/ValueObjectMemory.cpp
@@ -168,9 +168,6 @@ bool ValueObjectMemory::UpdateValue() {
     Value::ValueType value_type = m_value.GetValueType();
 
     switch (value_type) {
-    default:
-      llvm_unreachable("Unhandled expression result value kind...");
-
     case Value::eValueTypeScalar:
       // The variable value is in the Scalar value inside the m_value. We can
       // point our m_data right to it.