diff --git a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/BodyGenerator.kt b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/BodyGenerator.kt
index 1eaaa3d77db..79b3f0307ba 100644
--- a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/BodyGenerator.kt
+++ b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/BodyGenerator.kt
@@ -532,26 +532,24 @@ class BodyGenerator(
                     val parameterLocal = functionContext.referenceLocal(SyntheticLocalType.IS_INTERFACE_PARAMETER)
                     body.buildSetLocal(parameterLocal, location)
                     body.buildBlock("isInterface", WasmI32) { outerLabel ->
-                        body.buildBlock("isInterface", WasmRefNullType(WasmHeapType.Simple.Struct)) { innerLabel ->
+                        body.buildBlock("isInterface") { innerLabel ->
                             body.buildGetLocal(parameterLocal, location)
                             body.buildStructGet(context.referenceGcType(irBuiltIns.anyClass), WasmSymbol(1), location)
 
-                            body.buildBrOnCastInstr(
-                                WasmOp.BR_ON_CAST_FAIL,
-                                innerLabel,
-                                fromIsNullable = true,
-                                toIsNullable = false,
-                                from = WasmHeapType.Simple.Struct,
-                                to = WasmHeapType.Type(classITable),
-                                location,
-                            )
+                            val tmpLocal = functionContext.referenceLocal(SyntheticLocalType.TMP_FOR_BR_ON_CAST_EMULATION)
+                            body.buildInstr(WasmOp.LOCAL_TEE, location, WasmImmediate.LocalIdx(tmpLocal))
+                            body.buildRefTestStatic(classITable, location)
+                            body.buildInstr(WasmOp.I32_EQZ, location)
+                            body.buildBrIf(innerLabel, location)
+
+                            body.buildGetLocal(tmpLocal, location)
+                            body.buildRefCastStatic(classITable, location)
 
                             body.buildStructGet(classITable, context.referenceClassITableInterfaceSlot(irInterface.symbol), location)
                             body.buildInstr(WasmOp.REF_IS_NULL, location)
                             body.buildInstr(WasmOp.I32_EQZ, location)
                             body.buildBr(outerLabel, location)
                         }
-                        body.buildDrop(location)
                         body.buildConstI32(0, location)
                     }
                 } else {
@@ -598,23 +596,23 @@ class BodyGenerator(
             }
 
             wasmSymbols.returnArgumentIfItIsKotlinAny -> {
-                body.buildBlock("returnIfAny", WasmAnyRef) { innerLabel ->
+                body.buildBlock("returnIfAny") { innerLabel ->
                     body.buildGetLocal(functionContext.referenceLocal(0), location)
                     body.buildInstr(WasmOp.EXTERN_INTERNALIZE, location)
 
-                    body.buildBrOnCastInstr(
-                        WasmOp.BR_ON_CAST_FAIL,
-                        innerLabel,
-                        fromIsNullable = true,
-                        toIsNullable = true,
-                        from = WasmHeapType.Simple.Any,
-                        to = WasmHeapType.Type(context.referenceGcType(backendContext.irBuiltIns.anyClass)),
-                        location,
-                    )
+                    val tmpLocal = functionContext.referenceLocal(SyntheticLocalType.TMP_FOR_BR_ON_CAST_EMULATION)
+                    body.buildInstr(WasmOp.LOCAL_TEE, location, WasmImmediate.LocalIdx(tmpLocal))
+
+                    val toType = context.referenceGcType(backendContext.irBuiltIns.anyClass)
+                    body.buildRefTestStatic(toType, location)
+                    body.buildInstr(WasmOp.I32_EQZ, location)
+                    body.buildBrIf(innerLabel, location)
+
+                    body.buildGetLocal(tmpLocal, location)
+                    body.buildRefCastStatic(toType, location)
 
                     body.buildInstr(WasmOp.RETURN, location)
                 }
-                body.buildDrop(location)
             }
 
             wasmSymbols.wasmArrayCopy -> {
diff --git a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/WasmFunctionCodegenContext.kt b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/WasmFunctionCodegenContext.kt
index e38936b6873..86277994bdf 100644
--- a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/WasmFunctionCodegenContext.kt
+++ b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/WasmFunctionCodegenContext.kt
@@ -15,7 +15,7 @@ import org.jetbrains.kotlin.ir.symbols.IrValueSymbol
 import org.jetbrains.kotlin.wasm.ir.*
 
 enum class LoopLabelType { BREAK, CONTINUE }
-enum class SyntheticLocalType { IS_INTERFACE_PARAMETER, TABLE_SWITCH_SELECTOR }
+enum class SyntheticLocalType { IS_INTERFACE_PARAMETER, TABLE_SWITCH_SELECTOR, TMP_FOR_BR_ON_CAST_EMULATION }
 
 class WasmFunctionCodegenContext(
     val irFunction: IrFunction,
@@ -61,6 +61,8 @@ class WasmFunctionCodegenContext(
         get() = when (this) {
             SyntheticLocalType.IS_INTERFACE_PARAMETER ->
                 WasmRefNullType(WasmHeapType.Type(context.referenceGcType(backendContext.irBuiltIns.anyClass)))
+            SyntheticLocalType.TMP_FOR_BR_ON_CAST_EMULATION ->
+                WasmRefNullType(WasmHeapType.Simple.Any)
             SyntheticLocalType.TABLE_SWITCH_SELECTOR -> WasmI32
         }
 
diff --git a/libraries/stdlib/wasm/src/generated/wasm/internal/_WasmOp.kt b/libraries/stdlib/wasm/src/generated/wasm/internal/_WasmOp.kt
index 7c208c521a4..50797946ad8 100644
--- a/libraries/stdlib/wasm/src/generated/wasm/internal/_WasmOp.kt
+++ b/libraries/stdlib/wasm/src/generated/wasm/internal/_WasmOp.kt
@@ -251,8 +251,6 @@ internal annotation class WasmOp(val name: String) {
         const val REF_TEST_NULL = "REF_TEST_NULL"
         const val REF_CAST = "REF_CAST"
         const val REF_CAST_NULL = "REF_CAST_NULL"
-        const val BR_ON_CAST = "BR_ON_CAST"
-        const val BR_ON_CAST_FAIL = "BR_ON_CAST_FAIL"
         const val EXTERN_INTERNALIZE = "EXTERN_INTERNALIZE"
         const val EXTERN_EXTERNALIZE = "EXTERN_EXTERNALIZE"
         const val PSEUDO_COMMENT_PREVIOUS_INSTR = "PSEUDO_COMMENT_PREVIOUS_INSTR"
diff --git a/wasm/wasm.ir/src/org/jetbrains/kotlin/wasm/ir/Operators.kt b/wasm/wasm.ir/src/org/jetbrains/kotlin/wasm/ir/Operators.kt
index 1ba6dbeb9f2..cdfb9474469 100644
--- a/wasm/wasm.ir/src/org/jetbrains/kotlin/wasm/ir/Operators.kt
+++ b/wasm/wasm.ir/src/org/jetbrains/kotlin/wasm/ir/Operators.kt
@@ -381,8 +381,9 @@ enum class WasmOp(
     REF_CAST("ref.cast", 0xFB_41, HEAP_TYPE),
     REF_CAST_NULL("ref.cast null", 0xFB_49, HEAP_TYPE),
 
-    BR_ON_CAST("br_on_cast", 0xFB_4E, listOf(CONST_U8, LABEL_IDX, HEAP_TYPE, HEAP_TYPE)),
-    BR_ON_CAST_FAIL("br_on_cast_fail", 0xFB_4F, listOf(CONST_U8, LABEL_IDX, HEAP_TYPE, HEAP_TYPE)),
+// TODO: KT-60828 Return br_on_cast_fail usages when it's possible
+//    BR_ON_CAST("br_on_cast", 0xFB_4E, listOf(CONST_U8, LABEL_IDX, HEAP_TYPE, HEAP_TYPE)),
+//    BR_ON_CAST_FAIL("br_on_cast_fail", 0xFB_4F, listOf(CONST_U8, LABEL_IDX, HEAP_TYPE, HEAP_TYPE)),
 
     EXTERN_INTERNALIZE("extern.internalize", 0xfb70), // externref -> anyref
     EXTERN_EXTERNALIZE("extern.externalize", 0xfb71), // anyref -> externref