diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h
index 28e713f9beb1..b2296c455d6a 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h
@@ -13,8 +13,6 @@
 #include "DWARFAttribute.h"
 #include "SymbolFileDWARF.h"
 
-class DWARFCompileUnit;
-
 class DWARFAbbreviationDeclaration {
 public:
   enum { InvalidCode = 0 };
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/HashedNameToDIE.h b/lldb/source/Plugins/SymbolFile/DWARF/HashedNameToDIE.h
index 959517529e52..b38473dee9c3 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/HashedNameToDIE.h
+++ b/lldb/source/Plugins/SymbolFile/DWARF/HashedNameToDIE.h
@@ -21,10 +21,6 @@
 #include "DWARFFormValue.h"
 #include "NameToDIE.h"
 
-class SymbolFileDWARF;
-class DWARFCompileUnit;
-class DWARFDebugInfoEntry;
-
 class DWARFMappedHash {
 public:
   enum AtomType : uint16_t {