diff --git a/include/time/seadTickSpan.h b/include/time/seadTickSpan.h
index 52d76247f..666e6e66d 100644
--- a/include/time/seadTickSpan.h
+++ b/include/time/seadTickSpan.h
@@ -15,7 +15,6 @@ class TickSpan
     TickSpan(s64 span = 0) : mSpan(span) {}
 
     s64 toS64() const { return mSpan; }
-    s64 toTicks() const { return mSpan; }
 
     s64 toNanoSeconds() const;
 
diff --git a/include/time/seadTickTime.h b/include/time/seadTickTime.h
index 497f6b367..6fd3a40ae 100644
--- a/include/time/seadTickTime.h
+++ b/include/time/seadTickTime.h
@@ -18,7 +18,7 @@ class TickTime
     u64 toTicks() const { return mTick; }
 
 #ifdef NNSDK
-    void setNow() { mTick = nn::os::GetSystemTick(); }
+    void setNow() { mTick = nn::os::GetSystemTick().value; }
 #else
     void setNow();
 #endif
@@ -28,13 +28,13 @@ class TickTime
 
     TickTime& operator+=(const TickSpan& span)
     {
-        mTick += span.toTicks();
+        mTick += span.toS64();
         return *this;
     }
 
     TickTime& operator-=(const TickSpan& span)
     {
-        mTick -= span.toTicks();
+        mTick -= span.toS64();
         return *this;
     }
 
diff --git a/modules/src/thread/nin/seadEventNin.cpp b/modules/src/thread/nin/seadEventNin.cpp
index 6c79ff1df..463b6576d 100644
--- a/modules/src/thread/nin/seadEventNin.cpp
+++ b/modules/src/thread/nin/seadEventNin.cpp
@@ -60,7 +60,7 @@ bool Event::wait(TickSpan duration)
 #ifdef SEAD_DEBUG
     SEAD_ASSERT_MSG(mInitialized, "Event is not initialized.");
 #endif
-    return nn::os::TimedWaitLightEvent(&mEventInner, nn::os::ConvertToTimeSpan(duration.toTicks()));
+    return nn::os::TimedWaitLightEvent(&mEventInner, nn::os::ConvertToTimeSpan(duration.toS64()));
 }
 
 void Event::setSignal()
diff --git a/modules/src/thread/nin/seadThreadNin.cpp b/modules/src/thread/nin/seadThreadNin.cpp
index c508b0704..d80463fcc 100644
--- a/modules/src/thread/nin/seadThreadNin.cpp
+++ b/modules/src/thread/nin/seadThreadNin.cpp
@@ -126,7 +126,7 @@ void Thread::yield()
 
 void Thread::sleep(TickSpan howLong)
 {
-    nn::os::SleepThread(nn::os::ConvertToTimeSpan(howLong.toTicks()));
+    nn::os::SleepThread(nn::os::ConvertToTimeSpan(howLong.toS64()));
 }
 
 uintptr_t Thread::getStackCheckStartAddress_() const
diff --git a/modules/src/time/seadTickSpan.cpp b/modules/src/time/seadTickSpan.cpp
index 0b8eb9184..fc4cde0c6 100644
--- a/modules/src/time/seadTickSpan.cpp
+++ b/modules/src/time/seadTickSpan.cpp
@@ -10,7 +10,7 @@
 namespace sead
 {
 #ifdef NNSDK
-const s64 TickSpan::cFrequency = nn::os::GetSystemTickFrequency();
+const s64 TickSpan::cFrequency = nn::os::GetSystemTickFrequency().value;
 #else
 #error "Unknown platform"
 #endif