diff --git a/Chan.cpp b/Chan.cpp
index ba89e0dd..e203a2f0 100644
--- a/Chan.cpp
+++ b/Chan.cpp
@@ -308,7 +308,7 @@ void CChan::ModeChange(const CString& sModes, const CString& sOpNick) {
 #endif
 
 			if (!bList) {
-				(bAdd) ? AddMode(uMode, sArg) : RemMode(uMode, sArg);
+				(bAdd) ? AddMode(uMode, sArg) : RemMode(uMode);
 			}
 		}
 	}
@@ -349,7 +349,7 @@ bool CChan::AddMode(unsigned char uMode, const CString& sArg) {
 	return true;
 }
 
-bool CChan::RemMode(unsigned char uMode, const CString& sArg) {
+bool CChan::RemMode(unsigned char uMode) {
 	if (!HasMode(uMode)) {
 		return false;
 	}
diff --git a/Chan.h b/Chan.h
index 557a0fef..47527166 100644
--- a/Chan.h
+++ b/Chan.h
@@ -67,7 +67,7 @@ public:
 	void SetModes(const CString& s);
 	void ModeChange(const CString& sModes, const CString& sNick = "");
 	bool AddMode(unsigned char uMode, const CString& sArg);
-	bool RemMode(unsigned char uMode, const CString& sArg);
+	bool RemMode(unsigned char uMode);
 	void OnOp(const CString& sOpNick, const CString& sNick, bool bOpped);
 	void OnVoice(const CString& sOpNick, const CString& sNick, bool bVoiced);
 	CString GetModeString() const;