diff --git a/extern/vgsound_emu-modified/vgsound_emu/src/core/vox/vox.hpp b/extern/vgsound_emu-modified/vgsound_emu/src/core/vox/vox.hpp
index 2f42e3945..1480ff47d 100644
--- a/extern/vgsound_emu-modified/vgsound_emu/src/core/vox/vox.hpp
+++ b/extern/vgsound_emu-modified/vgsound_emu/src/core/vox/vox.hpp
@@ -95,8 +95,8 @@ class vox_core : public vgsound_emu_core
 				bool m_loop_saved = false;
 		};
 
-		static constexpr s8 m_index_table[8]  = {-1, -1, -1, -1, 2, 4, 6, 8};
-		static constexpr s32 m_step_table[49] = {
+		const s8 m_index_table[8]  = {-1, -1, -1, -1, 2, 4, 6, 8};
+		const s32 m_step_table[49] = {
 		  16,  17,	19,	 21,  23,  25,	28,	 31,  34,  37,	41,	  45,	50,	  55,	60,	 66,  73,
 		  80,  88,	97,	 107, 118, 130, 143, 157, 173, 190, 209,  230,	253,  279,	307, 337, 371,
 		  408, 449, 494, 544, 598, 658, 724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552};
diff --git a/extern/vgsound_emu-modified/vgsound_emu/src/k053260/k053260.hpp b/extern/vgsound_emu-modified/vgsound_emu/src/k053260/k053260.hpp
index a84dc16a8..a616708ba 100644
--- a/extern/vgsound_emu-modified/vgsound_emu/src/k053260/k053260.hpp
+++ b/extern/vgsound_emu-modified/vgsound_emu/src/k053260/k053260.hpp
@@ -33,7 +33,7 @@ class k053260_core : public vgsound_emu_core
 		friend class k053260_intf;	// k053260 specific interface
 
 	private:
-		static constexpr int pan_dir[8] = {-1, 0, 24, 35, 45, 55, 66, 90};	 // pan direction
+		const int pan_dir[8] = {-1, 0, 24, 35, 45, 55, 66, 90};	 // pan direction
 
 		class voice_t : public vgsound_emu_core
 		{
diff --git a/extern/vgsound_emu-modified/vgsound_emu/src/msm6295/msm6295.hpp b/extern/vgsound_emu-modified/vgsound_emu/src/msm6295/msm6295.hpp
index bb2e6a1cc..9cf50537e 100644
--- a/extern/vgsound_emu-modified/vgsound_emu/src/msm6295/msm6295.hpp
+++ b/extern/vgsound_emu-modified/vgsound_emu/src/msm6295/msm6295.hpp
@@ -23,16 +23,15 @@ class msm6295_core : public vox_core
 
 	private:
 		// Internal volume table, 9 step
-		static constexpr s32 m_volume_table[9] = {
-		  32 /* 0.0dB */,
-		  22 /* -3.2dB */,
-		  16 /* -6.0dB */,
-		  11 /* -9.2dB */,
-		  8 /* -12.0dB */,
-		  6 /* -14.5dB */,
-		  4 /* -18.0dB */,
-		  3 /* -20.5dB */,
-		  2 /* -24.0dB */};	 // scale out to 5 bit for optimization
+		const s32 m_volume_table[9] = {32 /* 0.0dB */,
+									   22 /* -3.2dB */,
+									   16 /* -6.0dB */,
+									   11 /* -9.2dB */,
+									   8 /* -12.0dB */,
+									   6 /* -14.5dB */,
+									   4 /* -18.0dB */,
+									   3 /* -20.5dB */,
+									   2 /* -24.0dB */};  // scale out to 5 bit for optimization
 
 		// msm6295 voice classes
 		class voice_t : vox_decoder_t