diff --git a/renderdoc/common/common.h b/renderdoc/common/common.h
index 6807bf681..7a4ab2c2c 100644
--- a/renderdoc/common/common.h
+++ b/renderdoc/common/common.h
@@ -92,8 +92,6 @@
 #define ARRAY_COUNT(arr) (sizeof(arr) / sizeof(arr[0]))
 #endif
 
-#define RANDF(mn, mx) ((float(rand()) / float(RAND_MAX)) * ((mx) - (mn)) + (mn))
-
 #define STRINGIZE2(a) #a
 #define STRINGIZE(a) STRINGIZE2(a)
 
diff --git a/renderdoccmd/renderdoccmd_android.cpp b/renderdoccmd/renderdoccmd_android.cpp
index 986858964..1d7ccfa86 100644
--- a/renderdoccmd/renderdoccmd_android.cpp
+++ b/renderdoccmd/renderdoccmd_android.cpp
@@ -57,7 +57,7 @@ void DisplayRendererPreview(ReplayRenderer *renderer, TextureDisplay &displayCfg
 
   for(int i = 0; i < 100; i++)
   {
-    ReplayRenderer_SetFrameEvent(renderer, 10000000 + rand() % 1000, true);
+    ReplayRenderer_SetFrameEvent(renderer, 10000000, true);
 
     __android_log_print(ANDROID_LOG_INFO, LOGCAT_TAG, "Frame %i", i);
     ReplayOutput_Display(out);
diff --git a/renderdoccmd/renderdoccmd_linux.cpp b/renderdoccmd/renderdoccmd_linux.cpp
index f389039d4..9c92066a2 100644
--- a/renderdoccmd/renderdoccmd_linux.cpp
+++ b/renderdoccmd/renderdoccmd_linux.cpp
@@ -100,7 +100,7 @@ void DisplayRendererPreview(ReplayRenderer *renderer, TextureDisplay &displayCfg
       switch(event->response_type & 0x7f)
       {
         case XCB_EXPOSE:
-          ReplayRenderer_SetFrameEvent(renderer, 10000000 + rand() % 1000, true);
+          ReplayRenderer_SetFrameEvent(renderer, 10000000, true);
           ReplayOutput_Display(out);
           break;
         case XCB_CLIENT_MESSAGE:
@@ -123,7 +123,7 @@ void DisplayRendererPreview(ReplayRenderer *renderer, TextureDisplay &displayCfg
       free(event);
     }
 
-    ReplayRenderer_SetFrameEvent(renderer, 10000000 + rand() % 1000, true);
+    ReplayRenderer_SetFrameEvent(renderer, 10000000, true);
     ReplayOutput_Display(out);
 
     usleep(100000);
diff --git a/renderdoccmd/renderdoccmd_win32.cpp b/renderdoccmd/renderdoccmd_win32.cpp
index 9d1c79c80..3cdcac239 100644
--- a/renderdoccmd/renderdoccmd_win32.cpp
+++ b/renderdoccmd/renderdoccmd_win32.cpp
@@ -256,7 +256,7 @@ void DisplayRendererPreview(ReplayRenderer *renderer, TextureDisplay &displayCfg
       break;
 
     // set to random event beyond the end of the frame to ensure output is marked as dirty
-    ReplayRenderer_SetFrameEvent(renderer, 10000000 + rand() % 1000, true);
+    ReplayRenderer_SetFrameEvent(renderer, 10000000, true);
     ReplayOutput_Display(out);
 
     Sleep(40);