diff --git a/engine/client/cl_demo.c b/engine/client/cl_demo.c
index 82d26bb1..d0bd9e45 100644
--- a/engine/client/cl_demo.c
+++ b/engine/client/cl_demo.c
@@ -624,11 +624,10 @@ static void CL_ReadDemoUserCmd( qboolean discard )
 
 	if( !discard )
 	{
-		usercmd_t		nullcmd;
+		const usercmd_t nullcmd = { 0 };
 		sizebuf_t		buf;
 		demoangle_t	*a;
 
-		memset( &nullcmd, 0, sizeof( nullcmd ));
 		MSG_Init( &buf, "UserCmd", data, sizeof( data ));
 
 		// a1ba: I have no proper explanation why
diff --git a/engine/client/cl_main.c b/engine/client/cl_main.c
index 4d5fd66a..b0a52535 100644
--- a/engine/client/cl_main.c
+++ b/engine/client/cl_main.c
@@ -593,7 +593,7 @@ CL_CreateCmd
 */
 static void CL_CreateCmd( void )
 {
-	usercmd_t nullcmd, *cmd;
+	usercmd_t nullcmd = { 0 }, *cmd;
 	runcmd_t  *pcmd;
 	qboolean  active;
 	double    accurate_ms;
@@ -645,7 +645,6 @@ static void CL_CreateCmd( void )
 	}
 	else
 	{
-		memset( &nullcmd, 0, sizeof( nullcmd ));
 		cmd = &nullcmd;
 	}
 
diff --git a/engine/common/hpak.c b/engine/common/hpak.c
index 1939010a..d5d4b3f6 100644
--- a/engine/common/hpak.c
+++ b/engine/common/hpak.c
@@ -104,7 +104,7 @@ static void HPAK_CreatePak( const char *filename, resource_t *pResource, byte *p
 	string		pakname;
 	byte		md5[16];
 	file_t		*fout;
-	MD5Context_t	ctx;
+	MD5Context_t	ctx = { 0 };
 
 	if( !COM_CheckString( filename ))
 		return;
@@ -125,7 +125,6 @@ static void HPAK_CreatePak( const char *filename, resource_t *pResource, byte *p
 	}
 
 	// let's hash it.
-	memset( &ctx, 0, sizeof( MD5Context_t ));
 	MD5Init( &ctx );
 
 	if( pData == NULL )
@@ -214,7 +213,7 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 	file_t		*file_src;
 	file_t		*file_dst;
 	byte		md5[16];
-	MD5Context_t	ctx;
+	MD5Context_t	ctx = { 0 };
 
 	if( pData == NULL && pFile == NULL )
 		return;
@@ -226,7 +225,6 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 	}
 
 	// hash it
-	memset( &ctx, 0, sizeof( MD5Context_t ));
 	MD5Init( &ctx );
 
 	if( !pData )
diff --git a/engine/common/identification.c b/engine/common/identification.c
index 376d35cd..3b2b65c3 100644
--- a/engine/common/identification.c
+++ b/engine/common/identification.c
@@ -611,7 +611,7 @@ void GAME_EXPORT ID_SetCustomClientID( const char *id )
 
 void ID_Init( void )
 {
-	MD5Context_t hash = {0};
+	MD5Context_t hash = { 0 };
 	byte md5[16];
 	int i;