diff --git a/cas/1.0/default/DescramblerImpl.cpp b/cas/1.0/default/DescramblerImpl.cpp
index 6b730ebf80..6d7c304fc0 100644
--- a/cas/1.0/default/DescramblerImpl.cpp
+++ b/cas/1.0/default/DescramblerImpl.cpp
@@ -79,7 +79,7 @@ Return<bool> DescramblerImpl::requiresSecureDecoderComponent(
         return false;
     }
 
-    return holder->requiresSecureDecoderComponent(String8(mime.c_str()));
+    return holder->requiresSecureDecoderComponent(mime.c_str());
 }
 
 static inline bool validateRangeForSize(
diff --git a/cas/1.1/default/DescramblerImpl.cpp b/cas/1.1/default/DescramblerImpl.cpp
index 9d2ead776e..237d56be16 100644
--- a/cas/1.1/default/DescramblerImpl.cpp
+++ b/cas/1.1/default/DescramblerImpl.cpp
@@ -75,7 +75,7 @@ Return<bool> DescramblerImpl::requiresSecureDecoderComponent(const hidl_string&
         return false;
     }
 
-    return holder->requiresSecureDecoderComponent(String8(mime.c_str()));
+    return holder->requiresSecureDecoderComponent(mime.c_str());
 }
 
 static inline bool validateRangeForSize(uint64_t offset, uint64_t length, uint64_t size) {
diff --git a/cas/1.2/default/DescramblerImpl.cpp b/cas/1.2/default/DescramblerImpl.cpp
index 9d2ead776e..237d56be16 100644
--- a/cas/1.2/default/DescramblerImpl.cpp
+++ b/cas/1.2/default/DescramblerImpl.cpp
@@ -75,7 +75,7 @@ Return<bool> DescramblerImpl::requiresSecureDecoderComponent(const hidl_string&
         return false;
     }
 
-    return holder->requiresSecureDecoderComponent(String8(mime.c_str()));
+    return holder->requiresSecureDecoderComponent(mime.c_str());
 }
 
 static inline bool validateRangeForSize(uint64_t offset, uint64_t length, uint64_t size) {
diff --git a/cas/aidl/default/DescramblerImpl.cpp b/cas/aidl/default/DescramblerImpl.cpp
index d658887a38..0f4e99b315 100644
--- a/cas/aidl/default/DescramblerImpl.cpp
+++ b/cas/aidl/default/DescramblerImpl.cpp
@@ -71,7 +71,7 @@ ScopedAStatus DescramblerImpl::requiresSecureDecoderComponent(const string& in_m
         *_aidl_return = false;
     }
 
-    *_aidl_return = holder->requiresSecureDecoderComponent(String8(in_mime.c_str()));
+    *_aidl_return = holder->requiresSecureDecoderComponent(in_mime.c_str());
     return ScopedAStatus::ok();
 }