diff --git a/src/AppInstallerSharedLib/Hash.cpp b/src/AppInstallerSharedLib/Hash.cpp
index e98227cb8c..c1824c18e4 100644
--- a/src/AppInstallerSharedLib/Hash.cpp
+++ b/src/AppInstallerSharedLib/Hash.cpp
@@ -218,6 +218,7 @@ namespace
         return targetFileHash;
     }
 
+#ifndef WINGET_DISABLE_FOR_FUZZING
     Hash::HashBuffer Hash::ComputeHashFromHandle(HashAlgorithm algorithm, HANDLE fileHandle)
     {
         constexpr DWORD bufferSize = 1024 * 1024;
@@ -238,6 +239,7 @@ namespace
 
         return hasher.Get();
     }
+#endif
 
     bool Hash::AreEqual(const HashBuffer& first, const HashBuffer& second)
     {
diff --git a/src/AppInstallerSharedLib/Public/winget/Hash.h b/src/AppInstallerSharedLib/Public/winget/Hash.h
index 152d892a67..bdb43d9664 100644
--- a/src/AppInstallerSharedLib/Public/winget/Hash.h
+++ b/src/AppInstallerSharedLib/Public/winget/Hash.h
@@ -86,9 +86,11 @@ namespace AppInstaller::Cryptography {
         // Computes the hash from a given file path.
         static HashBuffer ComputeHashFromFile(HashAlgorithm algorithm, const std::filesystem::path& path);
 
+#ifndef WINGET_DISABLE_FOR_FUZZING
         // Computes the hash from an open file HANDLE by reading sequentially from the current position.
         // The caller retains ownership of the handle.
         static HashBuffer ComputeHashFromHandle(HashAlgorithm algorithm, HANDLE fileHandle);
+#endif
 
         static std::string ConvertToString(const HashBuffer& hashBuffer, size_t hashBufferSizeInBytes);
 
@@ -156,10 +158,12 @@ namespace AppInstaller::Cryptography {
             return Hash::ComputeHashFromFile(Algorithm, path);
         }
 
+#ifndef WINGET_DISABLE_FOR_FUZZING
         static HashBuffer ComputeHashFromHandle(HANDLE fileHandle)
         {
             return Hash::ComputeHashFromHandle(Algorithm, fileHandle);
         }
+#endif
 
         static std::string ConvertToString(const HashBuffer& hashBuffer)
         {