diff --git a/src/d3d9/d3d9_device.cpp b/src/d3d9/d3d9_device.cpp
index 4e187a015..5bc4edb05 100644
--- a/src/d3d9/d3d9_device.cpp
+++ b/src/d3d9/d3d9_device.cpp
@@ -3957,9 +3957,6 @@ namespace dxvk {
     if (unlikely((Flags & (D3DLOCK_DISCARD | D3DLOCK_READONLY)) == (D3DLOCK_DISCARD | D3DLOCK_READONLY)))
       return D3DERR_INVALIDCALL;
 
-    if (unlikely(!m_d3d9Options.allowLockFlagReadonly))
-      Flags &= ~D3DLOCK_READONLY;
-
     if (unlikely(!m_d3d9Options.allowDoNotWait))
       Flags &= ~D3DLOCK_DONOTWAIT;
 
@@ -4337,9 +4334,6 @@ namespace dxvk {
     if (unlikely(ppbData == nullptr))
       return D3DERR_INVALIDCALL;
 
-    if (!m_d3d9Options.allowLockFlagReadonly)
-      Flags &= ~D3DLOCK_READONLY;
-
     if (!m_d3d9Options.allowDiscard)
       Flags &= ~D3DLOCK_DISCARD;
 
diff --git a/src/d3d9/d3d9_options.cpp b/src/d3d9/d3d9_options.cpp
index c014f7c8a..2af057174 100644
--- a/src/d3d9/d3d9_options.cpp
+++ b/src/d3d9/d3d9_options.cpp
@@ -44,7 +44,6 @@ namespace dxvk {
     this->shaderModel                   = config.getOption<int32_t>     ("d3d9.shaderModel",                   3);
     this->evictManagedOnUnlock          = config.getOption<bool>        ("d3d9.evictManagedOnUnlock",          false);
     this->dpiAware                      = config.getOption<bool>        ("d3d9.dpiAware",                      true);
-    this->allowLockFlagReadonly         = config.getOption<bool>        ("d3d9.allowLockFlagReadonly",         true);
     this->strictConstantCopies          = config.getOption<bool>        ("d3d9.strictConstantCopies",          false);
     this->strictPow                     = config.getOption<bool>        ("d3d9.strictPow",                     true);
     this->lenientClear                  = config.getOption<bool>        ("d3d9.lenientClear",                  false);
diff --git a/src/d3d9/d3d9_options.h b/src/d3d9/d3d9_options.h
index fbfac70f8..df271a116 100644
--- a/src/d3d9/d3d9_options.h
+++ b/src/d3d9/d3d9_options.h
@@ -34,11 +34,6 @@ namespace dxvk {
 
     /// Whether or not to set the process as DPI aware in Windows when the API interface is created.
     bool dpiAware;
-    
-    /// Handle D3DLOCK_READONLY properly.
-    ///
-    /// Risen 1 writes to buffers mapped with readonly.
-    bool allowLockFlagReadonly;
 
     /// True:  Copy our constant set into UBO if we are relative indexing ever.
     /// False: Copy our constant set into UBO if we are relative indexing at the start of a defined constant
diff --git a/src/util/config/config.cpp b/src/util/config/config.cpp
index cbfeff9a2..89d8b9ce7 100644
--- a/src/util/config/config.cpp
+++ b/src/util/config/config.cpp
@@ -236,18 +236,12 @@ namespace dxvk {
     }} },
     /* Gothic 3                                   */
     { R"(\\Gothic(3|3Final| III Forsaken Gods)\.exe$)", {{
-      { "d3d9.allowLockFlagReadonly",       "False" },
       { "d3d9.supportDFFormats",            "False" },
     }} },
     /* Risen                                      */
     { R"(\\Risen[23]?\.exe$)", {{
-      { "d3d9.allowLockFlagReadonly",       "False" },
       { "d3d9.invariantPosition",           "True" },
     }} },
-    /* Nostale                                    */
-    { R"(\\NostaleClientX\.exe$)", {{
-      { "d3d9.allowLockFlagReadonly",       "False" },
-    }} },
     /* Sonic Adventure 2                          */
     { R"(\\Sonic Adventure 2\\(launcher|sonic2app)\.exe$)", {{
       { "d3d9.floatEmulation",              "False" },
@@ -277,10 +271,6 @@ namespace dxvk {
     { R"(\\Dead Space\.exe$)", {{
       { "d3d9.supportDFFormats",                 "False" },
     }} },
-    /* Burnout Paradise                           */
-    { R"(\\BurnoutParadise\.exe$)", {{
-      { "d3d9.allowLockFlagReadonly",       "False" },
-    }} },
     /* Halo 2                                     */
     { R"(\\halo2\.exe$)", {{
       { "d3d9.invariantPosition",           "True" },