diff --git a/src/common/x64/xbyak.h b/src/common/x64/xbyak.h
index 5ee12576e9..9dec0370c4 100644
--- a/src/common/x64/xbyak.h
+++ b/src/common/x64/xbyak.h
@@ -24,14 +24,13 @@
 // You must ensure this matches with src/common/x64/xbyak.h on root dir
 #include <ankerl/unordered_dense.h>
 #include <boost/unordered_map.hpp>
+#define XBYAK_NO_EXCEPTION 1
 #define XBYAK_STD_UNORDERED_SET ankerl::unordered_dense::set
 #define XBYAK_STD_UNORDERED_MAP ankerl::unordered_dense::map
 #define XBYAK_STD_UNORDERED_MULTIMAP boost::unordered_multimap
 #include <xbyak/xbyak.h>
 #include <xbyak/xbyak_util.h>
 
-#include <xbyak/xbyak.h>
-
 namespace Common::X64 {
 
 constexpr size_t RegToIndex(const Xbyak::Reg& reg) {
diff --git a/src/dynarmic/CMakeLists.txt b/src/dynarmic/CMakeLists.txt
index 4c4bf86d3e..633caaff27 100644
--- a/src/dynarmic/CMakeLists.txt
+++ b/src/dynarmic/CMakeLists.txt
@@ -113,6 +113,10 @@ else()
         # Clang mistakenly blames CMake for using unused arguments during compilation
         list(APPEND DYNARMIC_CXX_FLAGS -Wno-unused-command-line-argument)
     endif()
+    # TODO: oaknut exceptions
+    if ("x86_64" IN_LIST ARCHITECTURE)
+        list(APPEND DYNARMIC_CXX_FLAGS -fno-exceptions)
+    endif()
 endif()
 
 if (NOT Boost_FOUND)
diff --git a/src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp b/src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp
index f41bea6c83..1a424f8970 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp
+++ b/src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp
@@ -66,10 +66,7 @@ public:
 #ifdef _WIN32
     uint8_t* alloc(size_t size) override {
         void* p = VirtualAlloc(nullptr, size, MEM_RESERVE, PAGE_READWRITE);
-        if (p == nullptr) {
-            using Xbyak::Error;
-            XBYAK_THROW(Xbyak::ERR_CANT_ALLOC);
-        }
+        ASSERT(p != nullptr);
         return static_cast<uint8_t*>(p);
     }
 
@@ -105,10 +102,7 @@ public:
         prot |= PROT_MPROTECT(PROT_READ) | PROT_MPROTECT(PROT_WRITE) | PROT_MPROTECT(PROT_EXEC);
 #endif
         void* p = mmap(nullptr, size, prot, mode, -1, 0);
-        if (p == MAP_FAILED) {
-            using Xbyak::Error;
-            XBYAK_THROW(Xbyak::ERR_CANT_ALLOC);
-        }
+        ASSERT(p != MAP_FAILED);
         std::memcpy(p, &size, sizeof(size_t));
         return static_cast<uint8_t*>(p) + DYNARMIC_PAGE_SIZE;
     }
@@ -532,13 +526,8 @@ size_t BlockOfCode::GetTotalCodeSize() const {
 }
 
 void* BlockOfCode::AllocateFromCodeSpace(size_t alloc_size) {
-    if (size_ + alloc_size >= maxSize_) {
-        using Xbyak::Error;
-        XBYAK_THROW(Xbyak::ERR_CODE_IS_TOO_BIG);
-    }
-
+    ASSERT(size_ + alloc_size < maxSize_);
     EnsureMemoryCommitted(alloc_size);
-
     void* ret = getCurr<void*>();
     size_ += alloc_size;
     memset(ret, 0, alloc_size);
diff --git a/src/dynarmic/src/dynarmic/backend/x64/xbyak.h b/src/dynarmic/src/dynarmic/backend/x64/xbyak.h
index 38401678e6..a10348fd2f 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/xbyak.h
+++ b/src/dynarmic/src/dynarmic/backend/x64/xbyak.h
@@ -6,6 +6,7 @@
 // You must ensure this matches with src/common/x64/xbyak.h on root dir
 #include <ankerl/unordered_dense.h>
 #include <boost/unordered_map.hpp>
+#define XBYAK_NO_EXCEPTION 1
 #define XBYAK_STD_UNORDERED_SET ankerl::unordered_dense::set
 #define XBYAK_STD_UNORDERED_MAP ankerl::unordered_dense::map
 #define XBYAK_STD_UNORDERED_MULTIMAP boost::unordered_multimap