diff --git a/src/debugger/TimerMap.hxx b/src/debugger/TimerMap.hxx
index 8fa3427a2..95b6de2ea 100644
--- a/src/debugger/TimerMap.hxx
+++ b/src/debugger/TimerMap.hxx
@@ -18,6 +18,7 @@
 #ifndef TIMER_MAP_HXX
 #define TIMER_MAP_HXX
 
+#include <cmath>
 #include <map>
 #include <deque>
 
@@ -222,7 +223,7 @@ class TimerMap
     void reset();
 
     /** Get timer */
-    const Timer& get(const uInt32 idx) const { return myList[idx]; };
+    const Timer& get(const uInt32 idx) const { return myList[idx]; }
     uInt32 size() const { return static_cast<uInt32>(myList.size()); }
 
     /** Update timer */
diff --git a/src/emucore/M6502.hxx b/src/emucore/M6502.hxx
index 9d793e33c..3bf9f7a24 100644
--- a/src/emucore/M6502.hxx
+++ b/src/emucore/M6502.hxx
@@ -261,7 +261,7 @@ class M6502 : public Serializable
     void clearTimers();
     void resetTimers();
     uInt32 numTimers() const { return myTimer.size(); }
-    const TimerMap::Timer& getTimer(uInt32 idx) const { return myTimer.get(idx); };
+    const TimerMap::Timer& getTimer(uInt32 idx) const { return myTimer.get(idx); }
 
     void setGhostReadsTrap(bool enable) { myGhostReadsTrap = enable; }
     void setReadFromWritePortBreak(bool enable) { myReadFromWritePortBreak = enable; }