diff --git a/src/core/Endian.cpp b/src/core/Endian.cpp
index 34ddd210a..6f2130da3 100644
--- a/src/core/Endian.cpp
+++ b/src/core/Endian.cpp
@@ -67,17 +67,17 @@ qint64 bytesToInt64(const QByteArray& ba, QSysInfo::Endian byteOrder)
 
 quint16 bytesToUInt16(const QByteArray& ba, QSysInfo::Endian byteOrder)
 {
-    return bytesToInt16(ba, byteOrder);
+    return static_cast<quint16>(bytesToInt16(ba, byteOrder));
 }
 
 quint32 bytesToUInt32(const QByteArray& ba, QSysInfo::Endian byteOrder)
 {
-    return bytesToInt32(ba, byteOrder);
+    return static_cast<quint32>(bytesToInt32(ba, byteOrder));
 }
 
 quint64 bytesToUInt64(const QByteArray& ba, QSysInfo::Endian byteOrder)
 {
-    return bytesToInt64(ba, byteOrder);
+    return static_cast<quint64>(bytesToInt64(ba, byteOrder));
 }
 
 qint16 readInt16(QIODevice* device, QSysInfo::Endian byteOrder, bool* ok)
@@ -90,7 +90,7 @@ qint16 readInt16(QIODevice* device, QSysInfo::Endian byteOrder, bool* ok)
     }
     else {
         *ok = true;
-        return bytesToUInt16(ba, byteOrder);
+        return bytesToInt16(ba, byteOrder);
     }
 }
 
@@ -104,7 +104,7 @@ qint32 readInt32(QIODevice* device, QSysInfo::Endian byteOrder, bool* ok)
     }
     else {
         *ok = true;
-        return bytesToUInt32(ba, byteOrder);
+        return bytesToInt32(ba, byteOrder);
     }
 }
 
@@ -118,23 +118,23 @@ qint64 readInt64(QIODevice* device, QSysInfo::Endian byteOrder, bool* ok)
     }
     else {
         *ok = true;
-        return bytesToUInt64(ba, byteOrder);
+        return bytesToInt64(ba, byteOrder);
     }
 }
 
 quint16 readUInt16(QIODevice* device, QSysInfo::Endian byteOrder, bool* ok)
 {
-    return readInt16(device, byteOrder, ok);
+    return static_cast<quint16>(readInt16(device, byteOrder, ok));
 }
 
 quint32 readUInt32(QIODevice* device, QSysInfo::Endian byteOrder, bool* ok)
 {
-    return readInt32(device, byteOrder, ok);
+    return static_cast<quint32>(readInt32(device, byteOrder, ok));
 }
 
 quint64 readUInt64(QIODevice* device, QSysInfo::Endian byteOrder, bool* ok)
 {
-    return readInt64(device, byteOrder, ok);
+    return static_cast<quint64>(readInt64(device, byteOrder, ok));
 }
 
 QByteArray int16ToBytes(qint16 num, QSysInfo::Endian byteOrder)
diff --git a/src/streams/qtiocompressor.cpp b/src/streams/qtiocompressor.cpp
index 569596302..0cd62964a 100644
--- a/src/streams/qtiocompressor.cpp
+++ b/src/streams/qtiocompressor.cpp
@@ -553,7 +553,6 @@ qint64 QtIOCompressor::readData(char *data, qint64 maxSize)
                 return -1;
             case Z_BUF_ERROR: // No more input and zlib can not privide more output - Not an error, we can try to read again when we have more input.
                 return 0;
-            break;
         }
     // Loop util data buffer is full or we reach the end of the input stream.
     } while (d->zlibStream.avail_out != 0 && status != Z_STREAM_END);