diff --git a/DMRCSBK.cpp b/DMRCSBK.cpp
index f7113a5..464b333 100644
--- a/DMRCSBK.cpp
+++ b/DMRCSBK.cpp
@@ -168,8 +168,6 @@ void CDMRCSBK::setOVCM(bool ovcm)
 	if ((m_CSBKO == CSBKO_UUVREQ) || (m_CSBKO == CSBKO_UUANSRSP)) {
 		if (ovcm)
 			m_data[2U] |= 0x04U;
-		else
-			m_data[2U] &= 0xFBU;
 	}
 }
 
diff --git a/DMRLC.cpp b/DMRLC.cpp
index 632cfa7..f7ac536 100644
--- a/DMRLC.cpp
+++ b/DMRLC.cpp
@@ -193,8 +193,6 @@ void CDMRLC::setOVCM(bool ovcm)
 {
 	if (ovcm)
 		m_options |= 0x04U;
-	else
-		m_options &= 0xFBU;
 }
 
 unsigned int CDMRLC::getSrcId() const