diff --git a/src/arch/arm/isa/insts/data64.isa b/src/arch/arm/isa/insts/data64.isa
index 1cd17b79a2..46a046becf 100644
--- a/src/arch/arm/isa/insts/data64.isa
+++ b/src/arch/arm/isa/insts/data64.isa
@@ -382,7 +382,7 @@ let {{
            Request::Flags memAccessFlags = Request::CACHE_BLOCK_ZERO;
            EA = XBase;
            assert(!(Dczid & 0x10));
-           uint64_t op_size = power(2, Dczid + 2);
+           uint64_t op_size = 1ULL << (Dczid + 2);
            EA &= ~(op_size - 1);
 
    '''
diff --git a/src/base/intmath.hh b/src/base/intmath.hh
index ba2017782a..85ee52544d 100644
--- a/src/base/intmath.hh
+++ b/src/base/intmath.hh
@@ -46,28 +46,8 @@
 #include <type_traits>
 
 #include "base/bitfield.hh"
-#include "base/logging.hh"
 #include "base/types.hh"
 
-/**
- * @ingroup api_base_utils
- */
-static constexpr uint64_t
-power(uint32_t n, uint32_t e)
-{
-    uint64_t result = 1;
-    uint64_t component = n;
-    while (e) {
-        uint64_t last = result;
-        if (e & 0x1)
-            result *= component;
-        warn_if(result < last, "power() overflowed!");
-        e >>= 1;
-        component *= component;
-    }
-    return result;
-}
-
 /**
  * @ingroup api_base_utils
  */
diff --git a/src/base/intmath.test.cc b/src/base/intmath.test.cc
index e953a7e735..b4bd2a5445 100644
--- a/src/base/intmath.test.cc
+++ b/src/base/intmath.test.cc
@@ -54,13 +54,6 @@ TEST(IntmathTest, isPowerOf2)
     EXPECT_FALSE(isPowerOf2(1679616));
 }
 
-TEST(IntmathTest, power)
-{
-    EXPECT_EQ(65536, power(2, 16));
-    EXPECT_EQ(9765625, power(5, 10));
-    EXPECT_EQ(43046721, power(power(3, 4), 4));
-}
-
 TEST(IntmathTest, floorLog2)
 {
     EXPECT_EQ(0, floorLog2(1));
diff --git a/src/dev/arm/timer_cpulocal.cc b/src/dev/arm/timer_cpulocal.cc
index 760adf5959..3b120f6e77 100644
--- a/src/dev/arm/timer_cpulocal.cc
+++ b/src/dev/arm/timer_cpulocal.cc
@@ -123,8 +123,7 @@ CpuLocalTimer::Timer::read(PacketPtr pkt, Addr daddr)
                 timerZeroEvent.when(), parent->clockPeriod(),
                 timerControl.prescalar);
         time = timerZeroEvent.when() - curTick();
-        time = time / parent->clockPeriod() /
-            power(16, timerControl.prescalar);
+        time = (time / parent->clockPeriod()) >> (4 * timerControl.prescalar);
         DPRINTF(Timer, "-- returning counter at %d\n", time);
         pkt->setLE<uint32_t>(time);
         break;
@@ -143,8 +142,8 @@ CpuLocalTimer::Timer::read(PacketPtr pkt, Addr daddr)
                 watchdogZeroEvent.when(), parent->clockPeriod(),
                 watchdogControl.prescalar);
         time = watchdogZeroEvent.when() - curTick();
-        time = time / parent->clockPeriod() /
-            power(16, watchdogControl.prescalar);
+        time = (time / parent->clockPeriod()) >>
+            (4 * watchdogControl.prescalar);
         DPRINTF(Timer, "-- returning counter at %d\n", time);
         pkt->setLE<uint32_t>(time);
         break;
@@ -269,7 +268,7 @@ CpuLocalTimer::Timer::restartTimerCounter(uint32_t val)
     if (!timerControl.enable)
         return;
 
-    Tick time = parent->clockPeriod() * power(16, timerControl.prescalar);
+    Tick time = parent->clockPeriod() << (4 * timerControl.prescalar);
     time *= val;
 
     if (timerZeroEvent.scheduled()) {
@@ -287,7 +286,7 @@ CpuLocalTimer::Timer::restartWatchdogCounter(uint32_t val)
     if (!watchdogControl.enable)
         return;
 
-    Tick time = parent->clockPeriod() * power(16, watchdogControl.prescalar);
+    Tick time = parent->clockPeriod() << (4 * watchdogControl.prescalar);
     time *= val;
 
     if (watchdogZeroEvent.scheduled()) {
diff --git a/src/dev/arm/timer_sp804.cc b/src/dev/arm/timer_sp804.cc
index 6403a7716f..f69da13c4b 100644
--- a/src/dev/arm/timer_sp804.cc
+++ b/src/dev/arm/timer_sp804.cc
@@ -96,7 +96,7 @@ Sp804::Timer::read(PacketPtr pkt, Addr daddr)
                 zeroEvent.when(), clock, control.timerPrescale);
         Tick time;
         time = zeroEvent.when() - curTick();
-        time = time / clock / power(16, control.timerPrescale);
+        time = (time / clock) >> (4 * control.timerPrescale);
         DPRINTF(Timer, "-- returning counter at %d\n", time);
         pkt->setLE<uint32_t>(time);
         break;
@@ -182,7 +182,7 @@ Sp804::Timer::restartCounter(uint32_t val)
     if (!control.timerEnable)
         return;
 
-    Tick time = clock * power(16, control.timerPrescale);
+    Tick time = clock << (4 * control.timerPrescale);
     if (control.timerSize)
         time *= val;
     else