diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index deeb42db7..237e3a23d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -614,7 +614,6 @@ file( GLOB HEADER_FILES
 	common/thirdparty/*.h
 	common/thirdparty/rapidjson/*.h
 	common/thirdparty/math./*h
-	utility/sfmt/*.h
 	utility/*.h
 	scripting/*.h
 	scripting/backend/*.h
diff --git a/src/common/utility/x86.cpp b/src/common/utility/x86.cpp
index c03c87efb..983360c09 100644
--- a/src/common/utility/x86.cpp
+++ b/src/common/utility/x86.cpp
@@ -32,8 +32,8 @@
 **
 */
 
-#include "doomtype.h"
-#include "doomdef.h"
+#include <stdlib.h>
+#include <string.h>
 #include "x86.h"
 
 CPUInfo CPU;
@@ -200,7 +200,7 @@ haveid:
 #endif
 }
 
-void DumpCPUInfo(const CPUInfo *cpu)
+FString DumpCPUInfo(const CPUInfo *cpu)
 {
 	char cpustring[4*4*3+1];
 	
@@ -227,34 +227,36 @@ void DumpCPUInfo(const CPUInfo *cpu)
 	}
 	*t = '\0';
 
-	if (cpu->VendorID[0] && !batchrun)
+	FString out;
+	if (cpu->VendorID[0])
 	{
-		Printf("CPU Vendor ID: %s\n", cpu->VendorID);
+		out.Format("CPU Vendor ID: %s\n", cpu->VendorID);
 		if (cpustring[0])
 		{
-			Printf("  Name: %s\n", cpustring);
+			out.AppendFormat("  Name: %s\n", cpustring);
 		}
 		if (cpu->bIsAMD)
 		{
-			Printf("  Family %d (%d), Model %d, Stepping %d\n",
+			out.AppendFormat("  Family %d (%d), Model %d, Stepping %d\n",
 				cpu->Family, cpu->AMDFamily, cpu->AMDModel, cpu->AMDStepping);
 		}
 		else
 		{
-			Printf("  Family %d, Model %d, Stepping %d\n",
+			out.AppendFormat("  Family %d, Model %d, Stepping %d\n",
 				cpu->Family, cpu->Model, cpu->Stepping);
 		}
-		Printf("  Features:");
-		if (cpu->bSSE2)			Printf(" SSE2");
-		if (cpu->bSSE3)			Printf(" SSE3");
-		if (cpu->bSSSE3)		Printf(" SSSE3");
-		if (cpu->bSSE41)		Printf(" SSE4.1");
-		if (cpu->bSSE42)		Printf(" SSE4.2");
-		if (cpu->b3DNow)		Printf(" 3DNow!");
-		if (cpu->b3DNowPlus)	Printf(" 3DNow!+");
-		if (cpu->HyperThreading)	Printf(" HyperThreading");
-		Printf ("\n");
+		out.AppendFormat("  Features:");
+		if (cpu->bSSE2)			out += (" SSE2");
+		if (cpu->bSSE3)			out += (" SSE3");
+		if (cpu->bSSSE3)		out += (" SSSE3");
+		if (cpu->bSSE41)		out += (" SSE4.1");
+		if (cpu->bSSE42)		out += (" SSE4.2");
+		if (cpu->b3DNow)		out += (" 3DNow!");
+		if (cpu->b3DNowPlus)	out += (" 3DNow!+");
+		if (cpu->HyperThreading)	out += (" HyperThreading");
+		out += ("\n");
 	}
+	return out;
 }
 
 #endif
diff --git a/src/common/utility/x86.h b/src/common/utility/x86.h
index aa3ce23bc..d466d2996 100644
--- a/src/common/utility/x86.h
+++ b/src/common/utility/x86.h
@@ -2,6 +2,7 @@
 #define X86_H
 
 #include "basics.h"
+#include "zstring.h"
 
 struct CPUInfo	// 92 bytes
 {
@@ -105,7 +106,7 @@ extern CPUInfo CPU;
 struct PalEntry;
 
 void CheckCPUID (CPUInfo *cpu);
-void DumpCPUInfo (const CPUInfo *cpu);
+FString DumpCPUInfo (const CPUInfo *cpu);
 
 #endif
 
diff --git a/src/d_main.cpp b/src/d_main.cpp
index 1277525bf..7f980b4cd 100644
--- a/src/d_main.cpp
+++ b/src/d_main.cpp
@@ -2542,7 +2542,10 @@ static int D_DoomMain_Internal (void)
 		if (!restart)
 		{
 			if (!batchrun) Printf ("I_Init: Setting up machine state.\n");
-			I_Init ();
+			CheckCPUID(&CPU);
+			CalculateCPUSpeed();
+			auto ci = DumpCPUInfo(&CPU);
+			Printf("%s", ci.GetChars());
 		}
 
 		// [RH] Initialize palette management
diff --git a/src/posix/i_system.h b/src/posix/i_system.h
index fbea0ff88..d3ba2945a 100644
--- a/src/posix/i_system.h
+++ b/src/posix/i_system.h
@@ -45,9 +45,7 @@ struct WadStuff;
 #define SHARE_DIR "/usr/local/share/"
 #endif
 
-
-// Called by DoomMain.
-void I_Init (void);
+void CalculateCPUSpeed(void);
 
 // Return a seed value for the RNG.
 unsigned int I_MakeRNGSeed();
diff --git a/src/posix/i_system_posix.cpp b/src/posix/i_system_posix.cpp
index 9eccc4127..179d9f5b7 100644
--- a/src/posix/i_system_posix.cpp
+++ b/src/posix/i_system_posix.cpp
@@ -43,19 +43,6 @@ ticcmd_t *I_BaseTiccmd()
 	return &emptycmd;
 }
 
-//
-// I_Init
-//
-void I_Init()
-{
-	extern void CalculateCPUSpeed();
-
-	CheckCPUID(&CPU);
-	CalculateCPUSpeed();
-	DumpCPUInfo(&CPU);
-}
-
-
 bool I_WriteIniFailed()
 {
 	printf("The config file %s could not be saved:\n%s\n", GameConfig->GetPathName(), strerror(errno));
diff --git a/src/win32/i_system.cpp b/src/win32/i_system.cpp
index dab314d74..0d03ba680 100644
--- a/src/win32/i_system.cpp
+++ b/src/win32/i_system.cpp
@@ -107,8 +107,6 @@ void DestroyCustomCursor();
 
 // PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
 
-static void CalculateCPUSpeed();
-
 static HCURSOR CreateCompatibleCursor(FBitmap &cursorpic, int leftofs, int topofs);
 static HCURSOR CreateAlphaCursor(FBitmap &cursorpic, int leftofs, int topofs);
 static HCURSOR CreateBitmapCursor(int xhot, int yhot, HBITMAP and_mask, HBITMAP color_mask);
@@ -309,20 +307,6 @@ void CalculateCPUSpeed()
 	if (!batchrun) Printf ("CPU speed: %.0f MHz\n", 0.001 / PerfToMillisec);
 }
 
-//==========================================================================
-//
-// I_Init
-//
-//==========================================================================
-
-void I_Init()
-{
-	CheckCPUID(&CPU);
-	CalculateCPUSpeed();
-	DumpCPUInfo(&CPU);
-}
-
-
 //==========================================================================
 //
 // I_PrintStr
diff --git a/src/win32/i_system.h b/src/win32/i_system.h
index 03b233679..178002fa2 100644
--- a/src/win32/i_system.h
+++ b/src/win32/i_system.h
@@ -38,7 +38,7 @@ struct WadStuff;
 void I_DetectOS (void);
 
 // Called by DoomMain.
-void I_Init (void);
+void CalculateCPUSpeed (void);
 
 // Return a seed value for the RNG.
 unsigned int I_MakeRNGSeed();