diff --git a/internal_client.cpp b/internal_client.cpp
index 2e5d15a82e..bfecdd8c72 100644
--- a/internal_client.cpp
+++ b/internal_client.cpp
@@ -239,11 +239,6 @@ bool InternalClient::isLockScreen() const
     return false;
 }
 
-bool InternalClient::isInputMethod() const
-{
-    return false;
-}
-
 bool InternalClient::isOutline() const
 {
     if (m_internalWindow) {
diff --git a/internal_client.h b/internal_client.h
index 758074c074..f718a27df5 100644
--- a/internal_client.h
+++ b/internal_client.h
@@ -50,7 +50,6 @@ public:
     bool wantsInput() const override;
     bool isInternal() const override;
     bool isLockScreen() const override;
-    bool isInputMethod() const override;
     bool isOutline() const override;
     quint32 windowId() const override;
     bool isShown(bool shaded_is_shown) const override;