diff --git a/src/plugins/bineditor/bineditor.cpp b/src/plugins/bineditor/bineditor.cpp
index dd0369f557dfd16ee17617f5973abe06e9ec8869..9c6e0ff387f1dee544f747de451d409c59977ea3 100644
--- a/src/plugins/bineditor/bineditor.cpp
+++ b/src/plugins/bineditor/bineditor.cpp
@@ -176,7 +176,7 @@ void BinEditor::addData(quint64 block, const QByteArray &data)
     }
 }
 
-bool BinEditor::requestDataAt(int pos, bool synchronous) const
+bool BinEditor::requestDataAt(int pos) const
 {
     int block = pos / m_blockSize;
     BlockMap::const_iterator it = m_modifiedData.find(block);
@@ -188,10 +188,8 @@ bool BinEditor::requestDataAt(int pos, bool synchronous) const
     if (!m_requests.contains(block)) {
         m_requests.insert(block);
         emit const_cast<BinEditor*>(this)->
-            dataRequested(editor(), m_baseAddr / m_blockSize + block,
-                              synchronous);
-        if (!m_requests.contains(block))
-            return true; // synchronous data source
+            dataRequested(editor(), m_baseAddr / m_blockSize + block);
+        return true;
     }
     return false;
 }
@@ -530,7 +528,7 @@ int BinEditor::dataIndexOf(const QByteArray &pattern, int from, bool caseSensiti
     const int end =
         qMin<qint64>(static_cast<qint64>(from) + SearchStride, m_size);
     while (from < end) {
-        if (!requestDataAt(block * m_blockSize, true))
+        if (!requestDataAt(block * m_blockSize))
             return -1;
         QByteArray data = blockData(block);
         ::memcpy(b, b + m_blockSize, trailing);
@@ -561,7 +559,7 @@ int BinEditor::dataLastIndexOf(const QByteArray &pattern, int from, bool caseSen
     int block = from / m_blockSize;
     const int lowerBound = qMax(0, from - SearchStride);
     while (from > lowerBound) {
-        if (!requestDataAt(block * m_blockSize, true))
+        if (!requestDataAt(block * m_blockSize))
             return -1;
         QByteArray data = blockData(block);
         ::memcpy(b + m_blockSize, b, trailing);
diff --git a/src/plugins/bineditor/bineditor.h b/src/plugins/bineditor/bineditor.h
index 3e0024d97ca637b151700fe2f1051da58bba1b33..620432fbc0cc7743cbdd1ed474a23db62871a246 100644
--- a/src/plugins/bineditor/bineditor.h
+++ b/src/plugins/bineditor/bineditor.h
@@ -133,7 +133,7 @@ Q_SIGNALS:
     void copyAvailable(bool);
     void cursorPositionChanged(int position);
 
-    void dataRequested(Core::IEditor *editor, quint64 block, bool synchronous);
+    void dataRequested(Core::IEditor *editor, quint64 block);
     void newWindowRequested(quint64 address);
     void newRangeRequested(Core::IEditor *, quint64 address);
     void startOfFileRequested(Core::IEditor *);
@@ -169,7 +169,7 @@ private:
     int dataIndexOf(const QByteArray &pattern, int from, bool caseSensitive = true) const;
     int dataLastIndexOf(const QByteArray &pattern, int from, bool caseSensitive = true) const;
 
-    bool requestDataAt(int pos, bool synchronous = false) const;
+    bool requestDataAt(int pos) const;
     bool requestOldDataAt(int pos) const;
     char dataAt(int pos, bool old = false) const;
     char oldDataAt(int pos) const;
diff --git a/src/plugins/bineditor/bineditorplugin.cpp b/src/plugins/bineditor/bineditorplugin.cpp
index 47da50ef82b0f61d120b9a3ca706dc36e20cda34..2d785e6d189a9000616c9e21a3d6a21b38a4098a 100644
--- a/src/plugins/bineditor/bineditorplugin.cpp
+++ b/src/plugins/bineditor/bineditorplugin.cpp
@@ -185,7 +185,7 @@ public:
         Core::IFile(parent)
     {
         m_editor = parent;
-        connect(m_editor, SIGNAL(dataRequested(Core::IEditor *, quint64, bool)),
+        connect(m_editor, SIGNAL(dataRequested(Core::IEditor*,quint64)),
             this, SLOT(provideData(Core::IEditor *, quint64)));
         connect(m_editor, SIGNAL(newRangeRequested(Core::IEditor*,quint64)),
             this, SLOT(provideNewRange(Core::IEditor*,quint64)));
diff --git a/src/plugins/debugger/memoryagent.cpp b/src/plugins/debugger/memoryagent.cpp
index 607560cfa788e56df6ef82b1a463a79b1270beba..0b56157375f1755ab5dde08217f16d6119cc4340 100644
--- a/src/plugins/debugger/memoryagent.cpp
+++ b/src/plugins/debugger/memoryagent.cpp
@@ -92,8 +92,8 @@ void MemoryAgent::createBinEditor(quint64 addr)
         editor->setProperty(Constants::OPENED_BY_DEBUGGER, true);
         editor->setProperty(Constants::OPENED_WITH_MEMORY, true);
         connect(editor->widget(),
-            SIGNAL(dataRequested(Core::IEditor*,quint64,bool)),
-            SLOT(fetchLazyData(Core::IEditor*,quint64,bool)));
+            SIGNAL(dataRequested(Core::IEditor*,quint64)),
+            SLOT(fetchLazyData(Core::IEditor*,quint64)));
         connect(editor->widget(),
             SIGNAL(newWindowRequested(quint64)),
             SLOT(createBinEditor(quint64)));
@@ -125,9 +125,8 @@ void MemoryAgent::createBinEditor(quint64 addr)
     }
 }
 
-void MemoryAgent::fetchLazyData(IEditor *editor, quint64 block, bool sync)
+void MemoryAgent::fetchLazyData(IEditor *editor, quint64 block)
 {
-    Q_UNUSED(sync); // FIXME: needed support for incremental searching
     m_engine->fetchMemory(this, editor, BinBlockSize * block, BinBlockSize);
 }
 
diff --git a/src/plugins/debugger/memoryagent.h b/src/plugins/debugger/memoryagent.h
index 31a69cbf22da5eec74660725b6abbd8ed645d0f5..20c0632c44cec35cb70fc06fe453994ba4a2f1a4 100644
--- a/src/plugins/debugger/memoryagent.h
+++ b/src/plugins/debugger/memoryagent.h
@@ -63,16 +63,18 @@ public slots:
     void createBinEditor(quint64 startAddr);
     // Called by engine to trigger update of contents.
     void updateContents();
-    // Called by enine to pass updated contents.
+    // Called by engine to pass updated contents.
     void addLazyData(QObject *editorToken, quint64 addr, const QByteArray &data);
 
-private:
-    Q_SLOT void fetchLazyData(Core::IEditor *, quint64 block, bool sync);
-    Q_SLOT void provideNewRange(Core::IEditor *editor, quint64 address);
-    Q_SLOT void handleStartOfFileRequested(Core::IEditor *editor);
-    Q_SLOT void handleEndOfFileRequested(Core::IEditor *editor);
-    Q_SLOT void handleDataChanged(Core::IEditor *editor, quint64 address, const QByteArray &data);
+private slots:
+    void fetchLazyData(Core::IEditor *, quint64 block);
+    void provideNewRange(Core::IEditor *editor, quint64 address);
+    void handleStartOfFileRequested(Core::IEditor *editor);
+    void handleEndOfFileRequested(Core::IEditor *editor);
+    void handleDataChanged(Core::IEditor *editor, quint64 address,
+        const QByteArray &data);
 
+private:
     QList<QPointer<Core::IEditor> > m_editors;
     QPointer<DebuggerEngine> m_engine;
 };